CVE-2026-15972

The CVE affects Consul Community Edition and Consul Enterprise 1.13.0 through 2.0.2, with an unauthenticated denial of service caused by unbounded connection acceptance on external gRPC listeners. The root cause is unbounded resource usage from opening many incomplete connections, leading to exha...

CVE-2026-19017

Consul vulnerable: Community Edition and Enterprise versions 1.18.21–2.0.2 are affected by a partial arbitrary file read when configured with Vault Connect CA provider using JWT or AppRole authentication. A user with operator:write can instruct Consul to read and forward credential files outside ...

CVE-2026-19017 Consul vulnerable to partial arbitrary file read via Vault Connect CA provider

Consul Community Edition and Consul Enterprise 1.18.21 through 2.0.2 are vulnerable to a partial arbitrary file read when configured to use the Vault Connect CA provider with JWT or AppRole authentication. A privileged attacker with operator:write permission may direct Consul to read and forward...

CVE-2026-19015 Uncontrolled resource consumption in the Consul Connect CA roots endpoint

Consul Community Edition and Consul Enterprise 1.2.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect CA roots endpoint that may allow a remote caller to grow the agent's Connect CA roots cache without bound, defeating the operator's cache-disable...

CVE-2026-19016

Affected software: Consul Community Edition and Consul Enterprise (versions 1.19.1–2.0.2). Issue: Authorization bypass for session deletion via the transaction API. The vulnerability arises because the session:write ACL permission was not enforced for session deletion operations through the trans...

BIT-CONSUL-2026-2808 Consul vulnerable to arbitrary file reads through the vault kubernetes authentication provider

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 fixed in Consul 1.18.21, 1.21.11 and 1.22.5...

EUVD-2026-11487

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 fixed in Consul 1.18.21, 1.21.11 and 1.22.5...

Security Bulletin: Consul vulnerable to arbitrary file reads through the vault kubernetes authentication provider

Summary 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 fixed in Consul 1.18.21, 1.21.11 and 1.22.5. Vulnerability Details CVEID:CVE-2026-2808...

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 fixed in Consul 1.18.21, 1.21.11 and 1.22.5...

PT-2024-8623 · Hashicorp +4 · Hashicorp Consul +4

Name of the Vulnerable Software and Affected Versions: Consul versions 1.9.0 through 1.20.1 Description: A vulnerability was identified in Consul such that using URL paths in L7 traffic intentions could bypass HTTP request path-based access rules. This issue allows a remote attacker to bypass...

UBUNTU-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 bypass service mesh intentions. Fixed in 1.11.9, 1.12.5, and 1.13.2."...

PT-2022-11486 · Hashicorp +3 · Hashicorp Consul +3

Name of the Vulnerable Software and Affected Versions: HashiCorp Consul versions 1.8.1 through 1.11.8 HashiCorp Consul version 1.12.4 HashiCorp Consul version 1.13.1 Description: The issue arises from improper validation of node or segment names prior to their interpolation and usage in JWT claim...

PT-2021-11191 · Hashicorp +2 · Hashicorp Consul +3

Name of the Vulnerable Software and Affected Versions: HashiCorp Consul and Consul Enterprise versions prior to 1.9.5 HashiCorp Consul and Consul Enterprise versions prior to 1.8.10 HashiCorp Consul and Consul Enterprise versions prior to 1.7.14 Description: The issue concerns a cross-site...

PT-2020-13371 · Hashicorp +1 · Hashicorp Consul +2

Name of the Vulnerable Software and Affected Versions: HashiCorp Consul and Consul Enterprise versions 1.4.0 through 1.6.5 HashiCorp Consul and Consul Enterprise versions 1.7.0 through 1.7.3 Description: The issue arises from the improper enforcement of scope for local tokens issued by a primary...

PT-2020-13397 · Hashicorp +1 · Hashicorp Consul +2

Name of the Vulnerable Software and Affected Versions: HashiCorp Consul versions 1.2.0 through 1.6.5 HashiCorp Consul versions 1.4.3 through 1.7.3 Description: The issue is related to a denial of service vulnerability in the HTTP API and DNS caching feature of HashiCorp Consul and Consul...

UBUNTU-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 default deny settings configured...