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CVE-2026-9694

CVE-2026-9694 · Improper Neutralization of Substitution Characters 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 15.9 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 unauthenticated user to impersonate the GitLab Support Bot and inject arbitrary content via a specially crafted Service Desk email reply due to improper neutralization in email template processing.

CVSS 2.6 · Low · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • gitlab

    Versions
    • ≥ 15.9, < 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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