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CVE-2026-6269

CVE-2026-6269 · Incorrect Authorization 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 15.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to modify hidden merge requests due to incorrect authorization enforcements.

CVSS 5.4 · Medium · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • gitlab

    Versions
    • ≥ 15.10, < 18.10.8: Affected (semver)
    • ≥ 18.11, < 18.11.5: Affected (semver)
    • ≥ 19.0, < 19.0.2: Affected (semver)

    Update to 18.10.8; Update to 18.11.5; Update to 19.0.2

  • 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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