Medium
CVE-2023-6484
A log injection flaw was found in Keycloak. A text string may be injected through the authentication form when using the WebAuthn authentication mode. This issue may have a minor impact to the logs i…
Tag: Keycloak
All CVEs associated with "Keycloak". Page 2/2 • 230 CVEs.
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About “Keycloak”
A curated feed of “Keycloak”-related CVEs appears below. We currently track 230 CVEs for this tag (all time). In the last 365 days, 87 were published. Average CVSS is 6.1 (all time; 5.6 over 365d), and 32% are rated High/Critical (all time). Top CWEs (last 365 days): CWE-284 - Improper Access Control, CWE-266 - Incorrect Privilege Assignment, CWE-613 - Insufficient Session Expiration.
In our taxonomy this topic maps to a MODERATE impact class. Identity providers govern authentication across the estate. Upgrade, enforce phishing resistant MFA, review audit logs, rotate admin keys, and tighten policies. Use the filters below to sort by CVSS, risk and CWE. Each detail page highlights vendor advisories and mitigation tips.
CVEs tagged with this topic. Filters apply to the whole list (loaded from JSON).
CVSS ≥ 0.0
2024-04-25
Medium
CVE-2023-3597
A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to re…
2024-04-17
High
CVE-2024-2419
A flaw was found in Keycloak's redirect_uri validation logic. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to the theft of an access token, making…
High
CVE-2024-1249
A flaw was found in Keycloak's OIDC component in the "checkLoginIframe," which allows unvalidated cross-origin messages. This flaw allows attackers to coordinate and send millions of requests in seco…
High
CVE-2024-1132
A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. This issue could allow an attacker to construct a malicious request to bypass validation and access othe…
2024-02-29
Low
CVE-2024-1722
A flaw was found in Keycloak. In certain conditions, this issue may allow a remote unauthenticated attacker to block other accounts from logging in.
2024-02-28
Medium
CVE-2024-0560
A vulnerability was found in 3Scale, when used with Keycloak 15 (or RHSSO 7.5.0) and superiors. When the auth_type is use_3scale_oidc_issuer_endpoint, the Token Introspection policy discovers the Tok…
2024-01-26
High
CVE-2023-6291
A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, m…
2023-12-23
Medium
CVE-2023-49594
An information disclosure vulnerability exists in the challenge functionality of instipod DuoUniversalKeycloakAuthenticator 1.0.7 plugin. A specially crafted HTTP request can lead to a disclosure of…
2023-12-21
Low
CVE-2023-2585
Keycloak's device authorization grant does not correctly validate the device code and client ID. An attacker client could abuse the missing validation to spoof a client consent request and trick an a…
2023-12-18
Medium
CVE-2023-6927
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to by…
2023-12-14
Medium
CVE-2023-6134
A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This issue could allow an attacker to submit a specially crafted requ…
High
CVE-2023-6563
An unconstrained memory consumption vulnerability was discovered in Keycloak. It can be triggered in environments which have millions of offline tokens (> 500,000 users with each having at least 2 sa…
2023-10-04
Medium
CVE-2023-2422
A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a pro…
2023-09-25
High
CVE-2022-4137
A reflected cross-site scripting (XSS) vulnerability was found in the 'oob' OAuth endpoint due to incorrect null-byte handling. This issue allows a malicious link to insert an arbitrary URI into a Ke…
2023-09-20
Medium
CVE-2022-3916
A flaw was found in the offline_access scope in Keycloak. This issue would affect users of shared computers more (especially if cookies are not cleared), due to a lack of root session validation, and…
Medium
CVE-2022-1438
A flaw was found in Keycloak. Under specific circumstances, HTML entities are not sanitized during user impersonation, resulting in a Cross-site scripting (XSS) vulnerability.
2023-09-12
High
CVE-2023-4918
A flaw was found in the Keycloak package, more specifically org.keycloak.userprofile. When a user registers itself through registration flow, the "password" and "password-confirm" field from the form…
2023-07-07
Critical
CVE-2022-4361
Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute mali…
2023-05-26
Medium
CVE-2023-1664
A flaw was found in Keycloak. This flaw depends on a non-default configuration "Revalidate Client Certificate" to be enabled and the reverse proxy is not validating the certificate before Keycloak. U…
2023-04-28
High
CVE-2023-1477
Improper Authentication vulnerability in HYPR Keycloak Authenticator Extension allows Authentication Abuse.This issue affects HYPR Keycloak Authenticator Extension: before 7.10.2, before 8.0.3.
2023-03-29
Medium
CVE-2022-1274
A flaw was found in Keycloak in the execute-actions-email endpoint. This issue allows arbitrary HTML to be injected into emails sent to Keycloak users and can be misused to perform phishing or other…
2023-03-27
Medium
CVE-2022-2237
A flaw was found in the Keycloak Node.js Adapter. This flaw allows an attacker to benefit from an Open Redirect vulnerability in the checkSso function.
2023-01-26
Medium
CVE-2023-24457
A cross-site request forgery (CSRF) vulnerability in Jenkins Keycloak Authentication Plugin 2.3.0 and earlier allows attackers to trick users into logging in to the attacker's account.
Critical
CVE-2023-24456
Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.
2023-01-13
Medium
CVE-2023-0105
A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and loc…
Low
CVE-2023-0091
A flaw was found in Keycloak, where it did not properly check client tokens for possible revocation in its client credential flow. This flaw allows an attacker to access or modify potentially sensiti…
Critical
CVE-2022-3782
keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious…
2023-01-11
Medium
CVE-2023-22492
ZITADEL is a combination of Auth0 and Keycloak. RefreshTokens is an OAuth 2.0 feature that allows applications to retrieve new access tokens and refresh the user's session without the need for intera…
2022-09-01
Low
CVE-2022-2256
A Stored Cross-site scripting (XSS) vulnerability was found in keycloak as shipped in Red Hat Single Sign-On 7. This flaw allows a privileged attacker to execute malicious scripts in the admin consol…
2022-08-31
High
CVE-2022-36051
ZITADEL combines the ease of Auth0 and the versatility of Keycloak.**Actions**, introduced in ZITADEL **1.42.0** on the API and **1.56.0** for Console, is a feature, where users with role.`ORG_OWNER`…
2022-08-26
Medium
CVE-2022-0225
A flaw was found in Keycloak. This flaw allows a privileged attacker to use the malicious payload as the group name while creating a new group from the admin console, leading to a stored Cross-site s…
Medium
CVE-2021-3754
A flaw was found in keycloak where an attacker is able to register himself with the username same as the email ID of any existing user. This may cause trouble in getting password recovery email in ca…
High
CVE-2021-3632
A flaw was found in Keycloak. This vulnerability allows anyone to register a new security device or key when there is not a device already registered for any user by using the WebAuthn password-less…
2022-08-23
Medium
CVE-2021-3827
A flaw was found in keycloak, where the default ECP binding flow allows other authentication flows to be bypassed. By exploiting this behavior, an attacker can bypass the MFA authentication by sendin…
Medium
CVE-2020-35509
A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest th…
2022-08-22
High
CVE-2021-3513
A flaw was found in keycloak where a brute force attack is possible even when the permanent lockout feature is enabled. This is due to a wrong error message displayed when wrong credentials are enter…
2022-08-05
High
CVE-2022-2668
An issue was discovered in Keycloak that allows arbitrary Javascript to be uploaded for the SAML protocol mapper even if the UPLOAD_SCRIPTS feature is disabled
2022-07-08
Critical
CVE-2022-1245
A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorization allows a client application holding a valid access token to exchange tokens for any target clien…
2022-04-01
High
CVE-2021-3461
A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name].
2022-03-25
Medium
CVE-2021-20323
A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak.
2022-03-16
Medium
CVE-2022-27225
Gradle Enterprise before 2021.4.3 relies on cleartext data transmission in some situations. It uses Keycloak for identity management services. During the sign-in process, Keycloak sets browser cookie…
2022-01-25
High
CVE-2021-4133
A flaw was found in Keycloak in versions from 12.0.0 and before 15.1.1 which allows an attacker with any existing user account to create new default user accounts via the administrative REST API even…
2021-07-09
High
CVE-2021-3637
A flaw was found in keycloak-model-infinispan in keycloak versions before 14.0.0 where authenticationSessions map in RootAuthenticationSessionEntity grows boundlessly which could lead to a DoS attack.
2021-06-01
Medium
CVE-2021-3424
A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to…
2021-05-28
Critical
CVE-2021-20195
A flaw was found in keycloak in versions before 13.0.0. A Self Stored XSS attack vector escalating to a complete account takeover is possible due to user-supplied data fields not being properly encod…
Medium
CVE-2020-27826
A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribut…
2021-05-12
High
CVE-2021-20202
A flaw was found in keycloak. Directories can be created prior to the Java process creating them in the temporary directory, but with wider user permissions, allowing the attacker to have access to t…
2021-03-23
High
CVE-2021-20222
A flaw was found in keycloak. The new account console in keycloak can allow malicious code to be executed using the referrer URL. The highest threat from this vulnerability is to data confidentiality…
2021-03-18
High
CVE-2021-3141
In Unisys Stealth (core) before 6.0.025.0, the Keycloak password is stored in a recoverable format that might be accessible by a local attacker, who could gain access to the Management Server and cha…
2021-03-09
Medium
CVE-2021-20262
A flaw was found in Keycloak 12.0.0 where re-authentication does not occur while updating the password. This flaw allows an attacker to take over an account if they can obtain temporary, physical acc…
2021-03-08
Medium
CVE-2020-27838
A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authentication which could be…
2021-02-23
High
CVE-2020-14359
A vulnerability was found in all versions of Keycloak Gatekeeper, where on using lower case HTTP headers (via cURL) an attacker can bypass our Gatekeeper. Lower case headers are also accepted by some…
2021-02-11
Low
CVE-2020-1717
A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.
Low
CVE-2020-10734
A vulnerability was found in keycloak in the way that the OIDC logout endpoint does not have CSRF protection. Versions shipped with Red Hat Fuse 7, Red Hat Single Sign-on 7, and Red Hat Openshift App…
2021-01-28
Medium
CVE-2020-1725
A flaw was found in keycloak before version 13.0.0. In some scenarios a user still has access to a resource after changing the role mappings in Keycloak and after expiration of the previous access to…
Medium
CVE-2020-1723
A flaw was found in Keycloak Gatekeeper (Louketo). The logout endpoint can be abused to redirect logged-in users to arbitrary web pages. Affected versions of Keycloak Gatekeeper (Louketo): 6.0.1, 7.0…
2020-12-15
Medium
CVE-2020-14302
A flaw was found in Keycloak before 13.0.0 where an external identity provider, after successful authentication, redirects to a Keycloak endpoint that accepts multiple invocations with the use of the…
Medium
CVE-2020-10770
A flaw was found in Keycloak before 13.0.0, where it is possible to force the server to call out an unverified URL using the OIDC parameter request_uri. This flaw allows an attacker to use this param…
2020-11-17
High
CVE-2020-14389
It was found that Keycloak before version 12.0.0 would permit a user with only view-profile role to manage the resources in the new account console, allowing access and modification of data the user…
Medium
CVE-2020-10776
A flaw was found in Keycloak before version 12.0.0, where it is possible to add unsafe schemes for the redirect_uri parameter. This flaw allows an attacker to perform a Cross-site scripting attack.
2020-11-09
Medium
CVE-2020-14366
A vulnerability was found in keycloak, where path traversal using URL-encoded path segments in the request is possible because the resources endpoint applies a transformation of the url path to the f…
2020-09-16
Medium
CVE-2020-1694
A flaw was found in all versions of Keycloak before 10.0.0, where the NodeJS adapter did not support the verify-token-audience. This flaw results in some users having access to sensitive information…
Medium
CVE-2020-10748
A flaw was found in Keycloak's data filter, in version 10.0.1, where it allowed the processing of data URLs in some circumstances. This flaw allows an attacker to conduct cross-site scripting or furt…
High
CVE-2020-10758
A vulnerability was found in Keycloak before 11.0.1 where DoS attack is possible by sending twenty requests simultaneously to the specified keycloak server, all with a Content-Length header value tha…
2020-06-22
Medium
CVE-2020-1727
A vulnerability was found in Keycloak before 9.0.2, where every Authorization URL that points to an IDP server lacks proper input validation as it allows a wide range of characters. This flaw allows…
2020-05-15
Medium
CVE-2020-1758
A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a m…
2020-05-13
High
CVE-2020-1714
A flaw was found in Keycloak before version 11.0.0, where the code base contains usages of ObjectInputStream without type checks. This flaw allows an attacker to inject arbitrarily serialized Java Ob…
2020-05-12
High
CVE-2020-1718
A flaw was found in the reset credential flow in all Keycloak versions before 8.0.0. This flaw allows an attacker to gain unauthorized access to the application.
2020-05-11
Medium
CVE-2020-1724
A flaw was found in Keycloak in versions before 9.0.2. This flaw allows a malicious user that is currently logged in, to see the personal information of a previously logged out user in the account ma…
Medium
CVE-2020-1698
A flaw was found in keycloak in versions before 9.0.0. A logged exception in the HttpMethod class may leak the password given as parameter. The highest threat from this vulnerability is to data confi…
2020-05-08
Medium
CVE-2019-10170
A flaw was found in the Keycloak admin console, where the realm management interface permits a script to be set via the policy. This flaw allows an attacker with authenticated user and realm manageme…
Medium
CVE-2019-10169
A flaw was found in Keycloak’s user-managed access interface, where it would permit a script to be set in the UMA policy. This flaw allows an authenticated attacker with UMA permissions to configure…
2020-05-04
Medium
CVE-2020-10686
A flaw was found in Keycloak version 8.0.2 and 9.0.0, and was fixed in Keycloak version 9.0.1, where a malicious user registers as oneself. The attacker could then use the remove devices form to post…
2020-04-06
Medium
CVE-2020-1728
A vulnerability was found in all versions of Keycloak where, the pages on the Admin Console area of the application are completely missing general HTTP security headers in HTTP-responses. This does n…
2020-03-24
Medium
CVE-2020-1744
A flaw was found in keycloak before version 9.0.1. When configuring an Conditional OTP Authentication Flow as a post login flow of an IDP, the failure login events for OTP are not being sent to the b…
2020-03-02
Critical
CVE-2020-1731
A flaw was found in all versions of the Keycloak operator, before version 8.0.2,(community only) where the operator generates a random admin password when installing Keycloak, however the password re…
2020-02-10
Medium
CVE-2020-1697
It was found in all keycloak versions before 9.0.0 that links to external applications (Application Links) in the admin console are not validated properly and could allow Stored XSS attacks. An authe…
2020-01-08
Medium
CVE-2019-14820
It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability cou…
2019-12-15
Medium
CVE-2014-3652
JBoss KeyCloak: Open redirect vulnerability via failure to validate the redirect URL.
2019-12-10
Medium
CVE-2014-3656
JBoss KeyCloak: XSS in login-status-iframe.html
2019-12-05
Critical
CVE-2019-14910
A vulnerability was found in keycloak 7.x, when keycloak is configured with LDAP user federation and StartTLS is used instead of SSL/TLS from the LDAP server (ldaps), in this case user authentication…
2019-12-04
High
CVE-2019-14909
A vulnerability was found in Keycloak 7.x where the user federation LDAP bind type is none (LDAP anonymous bind), any password, invalid or valid will be accepted.
2019-11-13
Medium
CVE-2014-3655
JBoss KeyCloak is vulnerable to soft token deletion via CSRF
2019-10-15
High
CVE-2019-14832
A flaw was found in the Keycloak REST API before version 8.0.0 where it would permit user access from a realm the user was not configured. An authenticated attacker with knowledge of a user id could…
2019-08-14
High
CVE-2019-10201
It was found that Keycloak's SAML broker, versions up to 6.0.1, did not verify missing message signatures. If an attacker modifies the SAML Response and removes the <Signature> sections, the message…
High
CVE-2019-10199
It was found that Keycloak's account console, up to 6.0.1, did not perform adequate header checks in some requests. An attacker could use this flaw to trick an authenticated user into performing oper…
2019-06-12
Medium
CVE-2019-3875
A vulnerability was found in keycloak before 6.0.2. The X.509 authenticator supports the verification of client certificates through the CRL, where the CRL list can be obtained from the URL provided…
Medium
CVE-2019-10157
It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from the server in its backchannel logout . An attacker with local access could use th…
2019-04-24
Low
CVE-2019-3868
Keycloak up to version 6.0.0 allows the end user token (access or id token JWT) to be used as the session cookie for browser sessions for OIDC. As a result an attacker with access to service provider…
2018-11-30
Medium
CVE-2018-14637
The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. An attacker can exploit this vulnerability to perform a replay attack.
2018-11-13
Medium
CVE-2018-14658
A flaw was found in JBOSS Keycloak 3.2.1.Final. The Redirect URL for both Login and Logout are not normalized in org.keycloak.protocol.oidc.utils.RedirectUtils before the redirect url is verified. Th…
High
CVE-2018-14657
A flaw was found in Keycloak 4.2.1.Final, 4.3.0.Final. When TOPT enabled, an improper implementation of the Brute Force detection algorithm will not enforce its protection measures.
Medium
CVE-2018-14655
A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using 'response_mode=form_post' it is possible to inject arbitrary Javascript-Code via the 'state'-parameter in the authentica…
2018-08-01
Medium
CVE-2018-10894
It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further a…
Low
CVE-2016-8609
It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user's session…
2018-07-27
High
CVE-2017-2646
It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker cou…
2018-07-26
Medium
CVE-2017-2582
It was found that while parsing the SAML messages the StaxParserUtil class of keycloak before 2.5.1 replaces special strings for obtaining attribute values with system property. This could allow an a…
2018-07-23
Medium
CVE-2018-10912
keycloak before version 4.0.0.final is vulnerable to a infinite loop in session replacement. A Keycloak cluster with multiple nodes could mishandle an expired session replacement and lead to an infin…
2018-03-12
Medium
CVE-2017-2585
Red Hat Keycloak before version 2.5.1 has an implementation of HMAC verification for JWS tokens that uses a method that runs in non-constant time, potentially leaving the application vulnerable to ti…
Medium
CVE-2016-8629
Red Hat Keycloak before version 2.4.0 did not correctly check permissions when handling service account user deletion requests sent to the rest server. An attacker with service account authentication…
2018-02-21
High
CVE-2017-12161
It was found that keycloak before 3.4.2 final would permit misuse of a client-side /etc/hosts entry to spoof a URL in a password reset request. An attacker could use this flaw to craft a malicious pa…
2018-01-20
High
CVE-2017-15112
keycloak-httpd-client-install versions before 0.8 allow users to insecurely pass password through command line, leaking it via command history and process info to other local users.
Medium
CVE-2017-15111
keycloak-httpd-client-install versions before 0.8 insecurely creates temporary file allowing local attackers to overwrite other files via symbolic link.
2017-12-29
High
CVE-2014-3651
JBoss KeyCloak before 1.0.3.Final allows remote attackers to cause a denial of service (resource consumption) via a large value in the size parameter to auth/qrcode, related to QR code generation.
2017-10-26
High
CVE-2017-12160
It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission re…
High
CVE-2017-12159
It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session, leading to possible…
Medium
CVE-2017-12158
It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain…
2017-10-18
High
CVE-2014-3709
The org.keycloak.services.resources.SocialResource.callback method in JBoss KeyCloak before 1.0.3.Final allows remote attackers to conduct cross-site request forgery (CSRF) attacks by leveraging lack…
2017-05-12
Critical
CVE-2017-7474
It was found that the Keycloak Node.js adapter 2.5 - 3.0 did not handle invalid tokens correctly. An attacker could use this flaw to bypass authentication and gain access to restricted information,…