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CVE-2026-105626

CVE-2026-105626 · Consul vulnerable to a denial of service in HTTP APIs

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

HashiCorp Consul and Consul Enterprise are vulnerable to a denial of service in the HTTP API that may allow an unauthenticated attacker to exhaust memory on a Consul agent. This vulnerability (CVE-2026-105626) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.

CVSS 7.5 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • consul

    Versions
    • ≥ 0.6.0, < 2.1.0: Affected (semver)

    Update to 2.1.0

  • consul enterprise

    Versions
    • ≥ 0.6.0, < 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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