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CVE-2026-100104

CVE-2026-100104 · Server-Side Request Forgery (SSRF) 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 10.3 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to perform server-side request forgery and reach internal network resources due to a time-of-check to time-of-use race condition in URL validation during repository import operations.

CVSS 3.5 · Low · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • gitlab

    Versions
    • ≥ 10.3, < 19.2.8: Affected (semver)
    • ≥ 19.3, < 19.3.5: Affected (semver)
    • ≥ 19.4, < 19.4.2: Affected (semver)

    Update to 19.2.8; Update to 19.3.5; Update to 19.4.2

  • 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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