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CVE-2026-0752

CVE-2026-0752 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') 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 16.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that under certain circumstances, could have allowed an unauthenticated user to inject arbitrary scripts into the Mermaid sandbox UI.

CVSS 8.0 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • gitlab

    Versions
    • ≥ 16.2, < 18.7.5: Affected (semver)
    • ≥ 18.8, < 18.8.5: Affected (semver)
    • ≥ 18.9, < 18.9.1: Affected (semver)

    Update to 18.7.5; Update to 18.8.5; Update to 18.9.1

  • 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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