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CVE-2026-115804

CVE-2026-115804 · Consul vulnerable to an authorization bypass in health check registration

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

HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in health check registration that may allow an authenticated user to modify health checks belonging to another service on the same node. This vulnerability (CVE-2026-115804) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.

CVSS 6.4 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • consul

    Versions
    • ≥ 0.7.2, < 2.1.0: Affected (semver)

    Update to 2.1.0

  • consul enterprise

    Versions
    • ≥ 0.7.2, < 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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