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CVE-2026-2745

CVE-2026-2745 · Authentication Bypass Using an Alternate Path or Channel in GitLab

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

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 7.11 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to bypass WebAuthn two-factor authentication and gain unauthorized access to user accounts due to inconsistent input validation in the authentication process.

CVSS 6.8 · Medium · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • gitlab

    Versions
    • ≥ 7.11, < 18.8.7: Affected (semver)
    • ≥ 18.9, < 18.9.3: Affected (semver)
    • ≥ 18.10, < 18.10.1: Affected (semver)

    Update to 18.10.1; Update to 18.8.7; Update to 18.9.3

  • gitlab Ubuntu:16.04:LTS

    Versions
    • 8.4.3+dfsg-9
    • 8.4.3+dfsg-12
    • 8.5.8+dfsg-5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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