About “Unauthenticated/Unauthorized Access”

A curated feed of “Unauthenticated/Unauthorized Access”-related CVEs appears below. We currently track 15317 CVEs for this tag (all time). In the last 365 days, 3826 were published. Average CVSS is 7.4 (all time; 7.4 over 365d), and 61% are rated High/Critical (all time). Top CWEs (last 365 days): CWE-862 - Missing Authorization, CWE-306 - Missing Authentication for Critical Function, CWE-639 - Authorization Bypass Through User-Controlled Key.

In our taxonomy this topic maps to a HIGH impact class. Vendor advisories and release notes are key. Verify compatibility matrices, prefer supported long term versions, and stage rollouts with monitoring. 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
2026-04-14
High

CVE-2026-33095

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Medium

CVE-2026-32226

Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.

High

CVE-2026-32225

Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.

Medium

CVE-2026-32223

Heap-based buffer overflow in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.

High

CVE-2026-32221

Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.

High

CVE-2026-32203

Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.

Medium

CVE-2026-32202

Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.

Medium

CVE-2026-32201

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

High

CVE-2026-32200

Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.

High

CVE-2026-32199

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

High

CVE-2026-32198

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

High

CVE-2026-32197

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Medium

CVE-2026-32196

Improper neutralization of input during web page generation ('cross-site scripting') in Windows Admin Center allows an unauthorized attacker to perform spoofing over a network.

High

CVE-2026-32190

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

High

CVE-2026-32189

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

High

CVE-2026-32188

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

High

CVE-2026-32183

Improper neutralization of special elements used in a command ('command injection') in Windows Snipping Tool allows an unauthorized attacker to execute code locally.

High

CVE-2026-32178

Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.

High

CVE-2026-32162

Acceptance of extraneous untrusted data with trusted data in Windows COM allows an unauthorized attacker to elevate privileges locally.

High

CVE-2026-32157

Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

High

CVE-2026-32156

Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to execute code locally.

High

CVE-2026-32091

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.

Medium

CVE-2026-32088

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Biometric Service allows an unauthorized attacker to bypass a security feature with a physical a…

Medium

CVE-2026-32072

Improper authentication in Windows Active Directory allows an unauthorized attacker to perform spoofing locally.

High

CVE-2026-32071

Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

Medium

CVE-2026-27931

Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.

Medium

CVE-2026-27930

Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.

High

CVE-2026-27928

Improper input validation in Windows Hello allows an unauthorized attacker to bypass a security feature over a network.

Medium

CVE-2026-27925

Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to disclose information over an adjacent network.

High

CVE-2026-27913

Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.

High

CVE-2026-26178

Integer size truncation in Windows Advanced Rasterization Platform (WARP) allows an unauthorized attacker to elevate privileges locally.

Medium

CVE-2026-26175

Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature with a physical attack.

High

CVE-2026-26171

Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

High

CVE-2026-26156

Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally.

High

CVE-2026-26154

Improper input validation in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.

High

CVE-2026-26151

Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.

High

CVE-2026-26143

Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.

High

CVE-2026-23666

Improper input validation in .NET Framework allows an unauthorized attacker to deny service over a network.

High

CVE-2026-23657

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Medium

CVE-2026-20928

Improper removal of sensitive information before storage or transfer in Windows Recovery Environment Agent allows an unauthorized attacker to bypass a security feature with a physical attack.

Medium

CVE-2026-4832

CWE-798 Use of Hard-coded Credentials vulnerability exists that could cause unauthorized access to sensitive device information when an unauthenticated attacker is able to interrogate the SNMP port.

High

CVE-2026-23708

A improper authentication vulnerability in Fortinet FortiSOAR PaaS 7.6.0 through 7.6.3, FortiSOAR PaaS 7.5.0 through 7.5.2, FortiSOAR on-premise 7.6.0 through 7.6.3, FortiSOAR on-premise 7.5.0 throug…

High

CVE-2026-22828

A heap-based buffer overflow vulnerability in Fortinet FortiAnalyzer Cloud 7.6.2 through 7.6.4, FortiManager Cloud 7.6.2 through 7.6.4 may allow a remote unauthenticated attacker to execute arbitrary…

Medium

CVE-2025-13822

MCPHub in versions below 0.11.0 is vulnerable to authentication bypass. Some endpoints are not protected by authentication middleware, allowing an unauthenticated attacker to perform actions in the n…

Medium

CVE-2026-4109

The Eventin – Events Calendar, Event Booking, Ticket & Registration (AI Powered) plugin for WordPress is vulnerable to unauthorized access of data due to a improper capability check on the get_item_p…

High

CVE-2026-24032

A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP3 with UMC). The affected application contains an authentication weakness due to insufficient validation of user identity in th…

Medium

CVE-2026-34257

Due to an Open Redirect vulnerability in SAP NetWeaver Application Server ABAP, an unauthenticated attacker could craft malicious URL that, if accessed by a victim, they could be redirected to the pa…

High

CVE-2026-34256

Due to a missing authorization check in SAP ERP and SAP S/4HANA (Private Cloud and On-Premise), an authenticated attacker could execute a particular ABAP report to overwrite any existing eight?charac…

Medium

CVE-2026-27674

Due to a Code Injection vulnerability in SAP NetWeaver Application Server Java (Web Dynpro Java), an unauthenticated attacker could supply crafted input that is interpreted by the application and cau…

Medium

CVE-2026-24318

Due to an Insecure session management vulnerability in SAP Business Objects Business Intelligence Platform, an unauthenticated attacker could obtain valid session tokens and reuse them to gain unauth…

Medium

CVE-2026-0512

Due to a Cross-Site Scripting (XSS) vulnerability in the SAP Supplier Relationship Management (SICF Handler in SRM Catalog), an unauthenticated attacker could craft a malicious URL, that if accessed…

2026-04-13
Medium

CVE-2026-40043

Pachno 1.0.6 contains an authentication bypass vulnerability in the runSwitchUser() action that allows authenticated low-privilege users to escalate privileges by manipulating the original_username c…

High

CVE-2026-0234

An improper verification of cryptographic signature vulnerability exists in Cortex XSOAR and Cortex XSIAM platforms during integration of Microsoft Teams that enables an unauthenticated user to acces…

Low

CVE-2026-0233

A certificate validation vulnerability in Palo Alto Networks Autonomous Digital Experience Manager on Windows allows an unauthenticated attacker with adjacent network access to execute arbitrary code…

2026-04-12
High

CVE-2019-25706

Across DR-810 contains an unauthenticated file disclosure vulnerability that allows remote attackers to download the rom-0 backup file containing sensitive information by sending a simple GET request…

2026-04-11
Critical

CVE-2026-31845

A reflected cross-site scripting (XSS) vulnerability exists in Rukovoditel CRM version 3.6.4 and earlier in the Zadarma telephony API endpoint (/api/tel/zadarma.php). The application directly reflect…

High

CVE-2026-3690

OpenClaw Canvas Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of OpenClaw. Authentication is not required to explo…

2026-04-10
Medium

CVE-2026-33119

User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Medium

CVE-2026-5724

The frontend gRPC server's streaming interceptor chain did not include the authorization interceptor. When a ClaimMapper and Authorizer are configured, unary RPCs enforce authentication and authoriza…

High

CVE-2026-40242

Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to 1.17.3, the /api/templates/fetch endpoint accepts a caller-supplied url parameter and performs a server-…

Critical

CVE-2026-40189

goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.4, goshs enforces the documented per-folder .goshs ACL/basic-auth mechanism for directory listings and file reads, but it does not enfor…

High

CVE-2026-32252

Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to 4.9.0, a cross-tenant authorization bypass exists in Chartbrew…

Critical

CVE-2026-33707

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, the default password reset mechanism generates tokens using sha1($email) with no random component, no expiration, and no…

Medium

CVE-2026-33705

Chamilo LMS is a learning management system. Prior to 1.11.38, Twig template files (.tpl) under /main/template/default/ are directly accessible without authentication via HTTP GET requests. These tem…

Critical

CVE-2026-33698

Chamilo LMS is a learning management system. Prior to 1.11.38, a chained attack can enable otherwise-blocked PHP code from the main/install/ directory and allow an unauthenticated attacker to modify…

High

CVE-2026-5483

A flaw was found in odh-dashboard in Red Hat Openshift AI. This vulnerability in the `odh-dashboard` component of Red Hat OpenShift AI (RHOAI) allows for the disclosure of Kubernetes Service Account…

High

CVE-2026-40163

Saltcorn is an extensible, open source, no-code database application builder. Prior to 1.4.5, 1.5.5, and 1.6.0-beta.4, the POST /sync/offline_changes endpoint allows an unauthenticated attacker to cr…

Medium

CVE-2026-40103

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, Vikunja's scoped API token enforcement for custom project background routes is method-confused. A token with only proje…

Medium

CVE-2026-40100

FastGPT is an AI Agent building platform. Prior to 4.14.10.3, the /api/core/app/mcpTools/runTool endpoint accepts arbitrary URLs without authentication. The internal IP check in isInternalAddress() o…

Medium

CVE-2026-35665

OpenClaw before 2026.3.24 contains an incomplete fix for CVE-2026-32011 where the Feishu webhook handler accepts request bodies with permissive limits of 1MB and 30-second timeout before signature ve…

Medium

CVE-2026-35664

OpenClaw before 2026.3.25 contains an authentication bypass vulnerability in raw card send surface that allows unpaired recipients to mint legacy callback payloads. Attackers can send raw card comman…

Medium

CVE-2026-35661

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in Telegram callback query handling that allows attackers to mutate session state without satisfying normal DM pairing require…

Medium

CVE-2026-35657

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in the HTTP /sessions/:sessionKey/history route that skips operator.read scope validation. Attackers can access session histor…

Medium

CVE-2026-35656

OpenClaw before 2026.3.22 contains an authentication bypass vulnerability in the X-Forwarded-For header processing when trustedProxies is configured, allowing attackers to spoof loopback hops. Remote…

Medium

CVE-2026-35654

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in Microsoft Teams feedback invokes that allows unauthorized senders to record session feedback. Attackers can bypass sender a…

Medium

CVE-2026-35652

OpenClaw before 2026.3.22 contains an authorization bypass vulnerability in interactive callback dispatch that allows non-allowlisted senders to execute action handlers. Attackers can bypass sender a…

Medium

CVE-2026-35619

OpenClaw before 2026.3.24 contains an authorization bypass vulnerability in the HTTP /v1/models endpoint that fails to enforce operator read scope requirements. Attackers with only operator.approvals…

Critical

CVE-2026-23781

An issue was discovered in BMC Control-M/MFT 9.0.20 through 9.0.22. A set of default debug user credentials is hardcoded in cleartext within the application package. If left unchanged, these credenti…

High

CVE-2026-23782

An issue was discovered in BMC Control-M/MFT 9.0.20 through 9.0.22. An API management endpoint allows unauthenticated users to obtain both an API identifier and its corresponding secret value. With t…

High

CVE-2026-5777

This vulnerability exists in the Atom 3x Projector due to improper exposure of the Android Debug Bridge (ADB) service over the local network without authentication or access controls. An unauthentica…

Medium

CVE-2026-4664

The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 5.103.0. This is due to the `create_review_permissions_check()`…

Medium

CVE-2026-2712

The WP-Optimize plugin for WordPress is vulnerable to unauthorized access of functionality due to missing capability checks in the `receive_heartbeat()` function in `includes/class-wp-optimize-heartb…

2026-04-09
Medium

CVE-2026-5778

Integer underflow in wolfSSL packet sniffer <= 5.9.0 allows an attacker to cause a program crash in the AEAD decryption path by injecting a TLS record shorter than the explicit IV plus authentication…

High

CVE-2026-40116

PraisonAI is a multi-agent teams system. Prior to 4.5.128, the /media-stream WebSocket endpoint in PraisonAI's call module accepts connections from any client without authentication or Twilio signatu…

High

CVE-2026-40114

PraisonAI is a multi-agent teams system. Prior to 4.5.128, the /api/v1/runs endpoint accepts an arbitrary webhook_url in the request body with no URL validation. When a submitted job completes (succe…

Medium

CVE-2026-35642

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability where group reaction events bypass the requireMention access control mechanism. Attackers can trigger reactions in mention-gat…

Medium

CVE-2026-35634

OpenClaw before 2026.3.23 contains an authentication bypass vulnerability in the Canvas gateway where authorizeCanvasRequest() unconditionally allows local-direct requests without validating bearer t…

High

CVE-2026-35632

OpenClaw through 2026.2.22 contains a symlink traversal vulnerability in agents.create and agents.update handlers that use fs.appendFile on IDENTITY.md without symlink containment checks. Attackers w…

Medium

CVE-2026-35626

OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send…

Medium

CVE-2026-35624

OpenClaw before 2026.3.22 contains a policy confusion vulnerability in room authorization that matches colliding room names instead of stable room tokens. Attackers can exploit similarly named rooms…

Medium

CVE-2026-35623

OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in webhook authentication that allows attackers to brute-force weak webhook passwords without throttling. Remote attackers can…

Medium

CVE-2026-35617

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in Google Chat group policy enforcement that relies on mutable space display names. Attackers can rebind group policies by cha…

Medium

CVE-2026-33782

A Missing Release of Memory after Effective Lifetime vulnerability in the DHCP daemon (jdhcpd) of Juniper Networks Junos OS on MX Series, allows an adjacent, unauthenticated attacker to cause a memor…

Medium

CVE-2026-33780

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon (l2ald) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated…

Medium

CVE-2026-33775

A Missing Release of Memory after Effective Lifetime vulnerability in the BroadBand Edge subscriber management daemon (bbe-smgd) of Juniper Networks Junos OS on MX Series allows an adjacent, unauthen…

High

CVE-2026-33771

A Weak Password Requirements vulnerability in the password management function of Juniper Networks CTP OS might allow an unauthenticated, network-based attacker to exploit weak passwords of local acc…

Critical

CVE-2026-39987

marimo is a reactive Python notebook. Prior to 0.23.0, Marimo has a Pre-Auth RCE vulnerability. The terminal WebSocket endpoint /terminal/ws lacks authentication validation, allowing an unauthenticat…

High

CVE-2026-1584

A flaw was found in gnutls. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted ClientHello message with an invalid Pre-Shared Key (PSK) binder value duri…

High

CVE-2026-39976

Laravel Passport provides OAuth2 server support to Laravel. From 13.0.0 to before 13.7.1, there is an Authentication Bypass for client_credentials tokens. the league/oauth2-server library sets the JW…

Critical

CVE-2026-39962

MISP is an open source threat intelligence and sharing platform. Prior to 2.5.36, improper neutralization of special elements in an LDAP query in ApacheAuthenticate.php allows LDAP injection via an u…

High

CVE-2026-34578

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.6, OPNsense's LDAP authentication connector passes the login username directly into an LDAP search filter without calling ldap…

Medium

CVE-2026-4901

Hydrosystem Control System saves sensitive information into a log file. Critically, user credentials are logged allowing the attacker to obtain further authorized access into the system. Combined wit…

Critical

CVE-2026-34184

Hydrosystem Control System does not enforce authorization for some directories. This allows an unauthorized attacker to read all files in these directories and even execute some of them. Critically t…

High

CVE-2026-5842

A security vulnerability has been detected in decolua 9router up to 0.3.47. The impacted element is an unknown function of the file /api of the component Administrative API Endpoint. The manipulation…

2026-04-08
High

CVE-2026-1092

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.10 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an unauthenticated user to cause d…

High

CVE-2025-12664

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an unauthenticated user to cause de…

High

CVE-2026-39889

PraisonAI is a multi-agent teams system. Prior to 4.5.115, the A2U (Agent-to-User) event stream server in PraisonAI exposes all agent activity without authentication. The create_a2u_routes() function…

Medium

CVE-2026-39415

Frappe Learning Management System (LMS) is a learning system that helps users structure their content. Prior to 2.46.0, a vulnerability has been identified in Frappe Learning where quiz scores can be…

Medium

CVE-2026-39413

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.4.14, the LightRAG API is vulnerable to a JWT algorithm confusion attack where an attacker can forge tokens by specifying…

Medium

CVE-2026-39411

LobeHub is a work-and-lifestyle space to find, build, and collaborate with agent teammates that grow with you. Prior to 2.1.48, the webapi authentication layer trusts a client-controlled X-lobe-chat-…

Medium

CVE-2026-30817

An external configuration control vulnerability in the OpenVPN module of TP-Link AX53 v1.0 allows an authenticated adjacent attacker to read arbitrary files when a malicious configuration file is pro…

Medium

CVE-2026-30816

An external control of configuration vulnerability in the OpenVPN module of TP-Link AX53 v1.0 allows an authenticated adjacent attacker to read arbitrary file when a malicious configuration file is p…

Medium

CVE-2026-0814

The Advanced Contact form 7 DB plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'vsz_cf7_export_to_excel' function in all versions up to, and…

High

CVE-2026-33756

Saleor is an e-commerce platform. From 2.0.0 to before 3.23.0a3, 3.22.47, 3.21.54, and 3.20.118, Saleor supports query batching by submitting multiple GraphQL operations in a single HTTP request as a…

Medium

CVE-2026-2377

A flaw was found in mirror-registry. Authenticated users can exploit the log export feature by providing a specially crafted web address (URL). This allows the application's backend to make arbitrary…

Medium

CVE-2026-33753

rfc3161-client is a Python library implementing the Time-Stamp Protocol (TSP) described in RFC 3161. Prior to 1.0.6, an Authorization Bypass vulnerability in rfc3161-client's signature verification a…

High

CVE-2026-39393

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to 0.31.4.0, the install route guard in ci4ms relie…

Critical

CVE-2025-14816

Cleartext Storage of Sensitive Information in GUI vulnerability in Mitsubishi Electric GENESIS64 versions 10.97.3 and prior, Mitsubishi Electric ICONICS Suite versions 10.97.3 and prior, Mitsubishi E…

Critical

CVE-2025-14815

Cleartext Storage of Sensitive Information vulnerability in Mitsubishi Electric GENESIS64 versions 10.97.3 and prior, Mitsubishi Electric ICONICS Suite versions 10.97.3 and prior, Mitsubishi Electric…

Medium

CVE-2026-5600

A new API endpoint introduced in pretix 2025 that is supposed to return all check-in events of a specific event in fact returns all check-in events belonging to the respective organizer. This allow…