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Tag: Hashicorp Consul

All CVEs associated with "Hashicorp Consul". Page 1/1 • 45 CVEs.

About “Hashicorp Consul”

A curated feed of “Hashicorp Consul”-related CVEs appears below. We currently track 45 CVEs for this tag (all time). In the last 365 days, 6 were published. Average CVSS is 7.1 (all time; 7.2 over 365d), and 56% are rated High/Critical (all time). Top CWEs (last 365 days): CWE-59 - Improper Link Resolution Before File Access ('Link Following'), CWE-770 - Allocation of Resources Without Limits or Throttling, CWE-502 - Deserialization of Untrusted Data.

In our taxonomy this topic maps to a LOW impact class. Service discovery controls routing and health. Patch, secure gossip or RPC with TLS, restrict write operations, and validate ACLs. Use the filters below to sort by CVSS, risk and CWE. Each detail page highlights vendor advisories and mitigation tips.

Support & lifecycle: consul

This table shows recent release cycles and their projected end-of-life. Data source: endoflife.date.

CycleReleaseLatestEOLLTS
2.02.0.0-
1.221.22.7-
1.211.21.5-
1.201.20.6 Expired
1.191.19.2 Expired
1.181.18.2 Expired
1.171.17.4 Expired
1.161.16.7 Expired
1.151.15.11 Expired
1.141.14.11 Expired
1.131.13.9 Expired
1.121.12.9 Expired
1.111.11.11 Expired
1.101.10.12 Expired
1.91.9.17 Expired
1.81.8.19 Expired
1.71.7.14 Expired
1.61.6.10 Expired

Maintained Soon (≤ 180 days) Expired

Subscribe lifecycle: RSS  ·  RSS (expired)  ·  ICS

Subscribe CVEs: RSS for “Hashicorp Consul”  ·  RSS (High+Critical only)

CVEs tagged with this topic. Filters apply to the whole list (loaded from JSON).

CVSS ≥ 0.0
2026-05-12
Medium

CVE-2026-5061

The consul-template library before version 0.42.0 is vulnerable to a sandbox path bypass in the file template helper that may allow reading an out-of-sandbox file. This vulnerability (CVE-2026-5061)…

CVSS: 4.7 CWE: CWE-59 - Improper Link Resolution Before File Access ('Link Following') View on NVD
2026-04-27
High

CVE-2026-27172

The ConsulRegistry in the camel-consul component (class org.apache.camel.component.consul.ConsulRegistry and its inner ConsulRegistryUtils.deserialize method) read Java-serialized values from the Con…

CVSS: 8.8 CWE: CWE-502 - Deserialization of Untrusted Data View on NVD
2026-03-12
Medium

CVE-2026-2808

HashiCorp Consul and Consul Enterprise 1.18.20 up to 1.21.10 and 1.22.4 are vulnerable to arbitrary file read when configured with Kubernetes authentication. This vulnerability, CVE-2026-2808, is fix…

CVSS: 6.8 CWE: CWE-59 - Improper Link Resolution Before File Access ('Link Following') View on NVD
2025-10-30
Critical

CVE-2025-54469

A vulnerability was identified in NeuVector, where the enforcer used environment variables CLUSTER_RPC_PORT and CLUSTER_LAN_PORT to generate a command to be executed via popen, without first sanitisi…

CVSS: 9.9 CWE: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') View on NVD
2025-10-28
Medium

CVE-2025-11375

Consul and Consul Enterprise’s (“Consul”) event endpoint is vulnerable to denial of service (DoS) due to lack of maximum value on the Content Length header. This vulnerability, CVE-2025-11375, is fix…

CVSS: 6.5 CWE: CWE-770 - Allocation of Resources Without Limits or Throttling View on NVD
Medium

CVE-2025-11374

Consul and Consul Enterprise’s (“Consul”) key/value endpoint is vulnerable to denial of service (DoS) due to incorrect Content Length header validation. This vulnerability, CVE-2025-11374, is fixed i…

CVSS: 6.5 CWE: CWE-770 - Allocation of Resources Without Limits or Throttling View on NVD
2025-05-30
Critical

CVE-2025-48865

Fabio is an HTTP(S) and TCP router for deploying applications managed by consul. Prior to version 1.6.6, Fabio allows clients to remove X-Forwarded headers (except X-Forwarded-For) due to a vulnerabi…

CVSS: 9.1 CWE: CWE-345 - Insufficient Verification of Data Authenticity View on NVD
2024-10-30
Medium

CVE-2024-10086

A vulnerability was identified in Consul and Consul Enterprise such that the server response did not explicitly set a Content-Type HTTP header, allowing user-provided inputs to be misinterpreted and…

CVSS: 6.1 CWE: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') View on NVD
High

CVE-2024-10006

A vulnerability was identified in Consul and Consul Enterprise (“Consul”) such that using Headers in L7 traffic intentions could bypass HTTP header based access rules.

CVSS: 8.3 CWE: CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax View on NVD
High

CVE-2024-10005

A vulnerability was identified in Consul and Consul Enterprise (“Consul”) such that using URL paths in L7 traffic intentions could bypass HTTP request path-based access rules.

CVSS: 8.1 CWE: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') View on NVD
2023-12-04
Medium

CVE-2023-5332

Patch in third party library Consul requires 'enable-script-checks' to be set to False. This was required to enable a patch by the vendor. Without this setting the patch could be bypassed. This only…

CVSS: 5.9 CWE: N/A View on NVD
2023-08-09
High

CVE-2023-3518

HashiCorp Consul and Consul Enterprise 1.16.0 when using JWT Auth for service mesh incorrectly allows/denies access regardless of service identities. Fixed in 1.16.1.

CVSS: 7.4 CWE: CWE-266 - Incorrect Privilege Assignment View on NVD
2023-06-02
High

CVE-2023-2816

Consul and Consul Enterprise allowed any user with service:write permissions to use Envoy extensions configured via service-defaults to patch remote proxy instances that target the configured service…

CVSS: 8.7 CWE: CWE-266 - Incorrect Privilege Assignment View on NVD
Medium

CVE-2023-1297

Consul and Consul Enterprise's cluster peering implementation contained a flaw whereby a peer cluster with service of the same name as a local service could corrupt Consul state, resulting in denial…

CVSS: 4.9 CWE: CWE-826 - Premature Release of Resource During Expected Lifetime View on NVD
2023-04-12
Medium

CVE-2023-30531

Jenkins Consul KV Builder Plugin 2.0.13 and earlier does not mask the HashiCorp Consul ACL Token on the global configuration form, increasing the potential for attackers to observe and capture it.

CVSS: 6.5 CWE: CWE-312 - Cleartext Storage of Sensitive Information View on NVD
Medium

CVE-2023-30530

Jenkins Consul KV Builder Plugin 2.0.13 and earlier stores the HashiCorp Consul ACL Token unencrypted in its global configuration file on the Jenkins controller where it can be viewed by users with a…

CVSS: 4.3 CWE: CWE-312 - Cleartext Storage of Sensitive Information View on NVD
2023-03-09
Medium

CVE-2023-0845

Consul and Consul Enterprise allowed an authenticated user with service:write permissions to trigger a workflow that causes Consul server and client agents to crash under certain circumstances. This…

CVSS: 4.9 CWE: CWE-476 - NULL Pointer Dereference View on NVD
2022-11-16
Medium

CVE-2022-3920

HashiCorp Consul and Consul Enterprise 1.13.0 up to 1.13.3 do not filter cluster filtering's imported nodes and services for HTTP or RPC endpoints used by the UI. Fixed in 1.14.0.

CVSS: 5.3 CWE: CWE-862 - Missing Authorization View on NVD
2022-09-23
Medium

CVE-2022-40716

HashiCorp Consul and Consul Enterprise up to 1.11.8, 1.12.4, and 1.13.1 do not check for multiple SAN URI values in a CSR on the internal RPC endpoint, enabling leverage of privileged access to bypas…

CVSS: 6.5 CWE: CWE-252 - Unchecked Return Value View on NVD
High

CVE-2021-41803

HashiCorp Consul 1.8.1 up to 1.11.8, 1.12.4, and 1.13.1 do not properly validate the node or segment names prior to interpolation and usage in JWT claim assertions with the auto config RPC. Fixed in…

CVSS: 7.1 CWE: CWE-862 - Missing Authorization View on NVD
2022-08-17
High

CVE-2022-38149

HashiCorp Consul Template up to 0.27.2, 0.28.2, and 0.29.1 may expose the contents of Vault secrets in the error returned by the *template.Template.Execute method, when given a template using Vault s…

CVSS: 7.5 CWE: CWE-532 - Insertion of Sensitive Information into Log File View on NVD
2022-04-19
High

CVE-2022-29153

HashiCorp Consul and Consul Enterprise up to 1.9.16, 1.10.9, and 1.11.4 may allow server side request forgery when the Consul client agent follows redirects returned by HTTP health check endpoints. F…

CVSS: 7.5 CWE: CWE-918 - Server-Side Request Forgery (SSRF) View on NVD
2022-02-24
Medium

CVE-2022-24687

HashiCorp Consul and Consul Enterprise 1.9.0 through 1.9.14, 1.10.7, and 1.11.2 clusters with at least one Ingress Gateway allow a user with service:write to register a specifically-defined service t…

CVSS: 6.5 CWE: N/A View on NVD
2021-12-12
High

CVE-2021-41805

HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can…

CVSS: 8.8 CWE: CWE-863 - Incorrect Authorization View on NVD
2021-10-07
Medium

CVE-2021-41865

HashiCorp Nomad and Nomad Enterprise 1.1.1 through 1.1.5 allowed authenticated users with job submission capabilities to cause denial of service by submitting incomplete job specifications with a Con…

CVSS: 6.5 CWE: N/A View on NVD
2021-09-07
Medium

CVE-2021-38698

HashiCorp Consul and Consul Enterprise 1.10.1 Txn.Apply endpoint allowed services to register proxies for other services, enabling access to service traffic. Fixed in 1.8.15, 1.9.9 and 1.10.2.

CVSS: 6.5 CWE: CWE-862 - Missing Authorization View on NVD
High

CVE-2021-37219

HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation…

CVSS: 8.8 CWE: CWE-295 - Improper Certificate Validation View on NVD
2021-07-17
High

CVE-2021-36213

HashiCorp Consul and Consul Enterprise 1.9.0 through 1.10.0 default deny policy with a single L7 application-aware intention deny action cancels out, causing the intention to incorrectly fail open, a…

CVSS: 7.5 CWE: N/A View on NVD
High

CVE-2021-32574

HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.…

CVSS: 7.5 CWE: CWE-295 - Improper Certificate Validation View on NVD
2021-04-20
High

CVE-2021-28156

HashiCorp Consul Enterprise version 1.8.0 up to 1.9.4 audit log can be bypassed by specifically crafted HTTP events. Fixed in 1.9.5, and 1.8.10.

CVSS: 7.5 CWE: N/A View on NVD
Medium

CVE-2020-25864

HashiCorp Consul and Consul Enterprise up to version 1.9.4 key-value (KV) raw mode was vulnerable to cross-site scripting. Fixed in 1.9.5, 1.8.10 and 1.7.14.

CVSS: 6.1 CWE: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') View on NVD
2020-12-08
Critical

CVE-2020-29564

The official Consul Docker images 0.7.1 through 1.4.2 contain a blank password for a root user. System using the Consul Docker container deployed by affected versions of the Docker image may allow a…

CVSS: 9.8 CWE: N/A View on NVD
2020-11-23
Medium

CVE-2020-28053

HashiCorp Consul and Consul Enterprise 1.2.0 up to 1.8.5 allowed operators with operator:read ACL permissions to read the Connect CA private key configuration. Fixed in 1.6.10, 1.7.10, and 1.8.6.

CVSS: 6.5 CWE: CWE-863 - Incorrect Authorization View on NVD
2020-11-04
High

CVE-2020-25201

HashiCorp Consul Enterprise version 1.7.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft writes. Fixed in 1.7.9 and 1.8.5.

CVSS: 7.5 CWE: N/A View on NVD
2020-06-11
High

CVE-2020-13250

HashiCorp Consul and Consul Enterprise include an HTTP API (introduced in 1.2.0) and DNS (introduced in 1.4.3) caching feature that was vulnerable to denial of service. Fixed in 1.6.6 and 1.7.4.

CVSS: 7.5 CWE: CWE-770 - Allocation of Resources Without Limits or Throttling View on NVD
High

CVE-2020-13170

HashiCorp Consul and Consul Enterprise did not appropriately enforce scope for local tokens issued by a primary data center, where replication to a secondary data center was not enabled. Introduced i…

CVSS: 7.5 CWE: CWE-20 - Improper Input Validation View on NVD
Medium

CVE-2020-12797

HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules due to non-propagation to secondary data centers. Introduced in 1.4.0, fixed in 1.6.6 and 1.7.4.

CVSS: 5.3 CWE: N/A View on NVD
High

CVE-2020-12758

HashiCorp Consul and Consul Enterprise could crash when configured with an abnormally-formed service-router entry. Introduced in 1.6.0, fixed in 1.6.6 and 1.7.4.

CVSS: 7.5 CWE: CWE-404 - Improper Resource Shutdown or Release View on NVD
2020-01-31
Medium

CVE-2020-7955

HashiCorp Consul and Consul Enterprise 1.4.1 through 1.6.2 did not uniformly enforce ACLs across all API endpoints, resulting in potential unintended information disclosure. Fixed in 1.6.3.

CVSS: 5.3 CWE: CWE-863 - Incorrect Authorization View on NVD
High

CVE-2020-7219

HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.

CVSS: 7.5 CWE: CWE-770 - Allocation of Resources Without Limits or Throttling View on NVD
2019-09-23
Critical

CVE-2019-16377

The makandra consul gem through 1.0.2 for Ruby has Incorrect Access Control.

CVSS: 9.8 CWE: N/A View on NVD
2019-06-06
High

CVE-2019-12291

HashiCorp Consul 1.4.0 through 1.5.0 has Incorrect Access Control. Keys not matching a specific ACL rule used for prefix matching in a policy can be deleted by a token using that policy even with def…

CVSS: 7.5 CWE: N/A View on NVD
2019-03-26
High

CVE-2019-9764

HashiCorp Consul 1.4.3 lacks server hostname verification for agent-to-agent TLS communication. In other words, the product behaves as if verify_server_hostname were set to false, even when it is act…

CVSS: 7.4 CWE: CWE-346 - Origin Validation Error View on NVD
2019-03-05
High

CVE-2019-8336

HashiCorp Consul (and Consul Enterprise) 1.4.x before 1.4.3 allows a client to bypass intended access restrictions and obtain the privileges of one other arbitrary token within secondary datacenters,…

CVSS: 8.1 CWE: N/A View on NVD
2018-12-09
Medium

CVE-2018-19653

HashiCorp Consul 0.5.1 through 1.4.0 can use cleartext agent-to-agent RPC communication because the verify_outgoing setting is improperly documented. NOTE: the vendor has provided reconfiguration ste…

CVSS: 5.9 CWE: CWE-310 View on NVD
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