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CVE-2026-105765

CVE-2026-105765 · Consul vulnerable to an authorization bypass in the agent's service mesh leaf certificate API

This page contains facts from public vulnerability sources. Check the original advisory before updating.

HashiCorp Consul and Consul Enterprise 1.17.0 up to 2.0.4 are vulnerable to an authorization bypass in the agent's service mesh leaf certificate API that may allow an attacker without a valid ACL token to retrieve a cached service leaf certificate and its private key. This vulnerability (CVE-2026-105765) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.

CVSS 7.5 · High · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • consul

    Versions
    • ≥ 1.17.0, < 2.1.0: Affected (semver)

    Update to 2.1.0

  • consul enterprise

    Versions
    • ≥ 1.17.0, < 2.1.0: Affected; ≥ 1.21.19: Not affected (semver)

    Update to 1.21.19

  • consul Ubuntu:18.04:LTS

    Versions
    • 0.6.4~dfsg-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • consul Ubuntu:20.04:LTS

    Versions
    • 1.0.7~dfsg1-5ubuntu1
    • 1.4.4~dfsg1-2ubuntu2
    • 1.5.2+dfsg1-6
    • 1.5.2+dfsg1-10
    • 1.5.2+dfsg1-12
    • 1.5.2+dfsg2-14
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • consul Ubuntu:22.04:LTS

    Versions
    • 1.7.4+dfsg1-1
    • 1.8.7+dfsg1-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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