[ CVE-2026-92883 · Published 13 Oct 2026 ]
Critical Vulnerability in GitLab CE and EE
[ Why it matters ]Priority signals
- Urgent advisory from CERT-EU
[ Description ]Official description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 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 execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository, due to improper sanitization of HTML attributes in syntax-highlighted output.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ Advisories ]Government CERT advisories
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NCSC-NLNCSC-2026-0414
Vulnerabilities fixed in GitLab Translated from Dutch
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CERT-EUCERT-EU 2026-016
Critical Vulnerability in GitLab CE and EE
On 12 October 2026, GitLab released versions 19.4.2, 19.3.4 and 19.2.8 of GitLab Community Edition (CE) and Enterprise Edition (EE), fixing 24 security issues among which a critical vulnerability that could allow an…
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CERT-FRCERTFR-2026-AVI-1294
Multiple vulnerabilities in GitLab Translated from French
Multiple vulnerabilities have been discovered in GitLab. Some of them allow an attacker to cause remote arbitrary code execution, a breach of data confidentiality and a breach of data integrity.
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BSI CERT-BundWID-SEC-2026-3858
GitLab: Multiple vulnerabilities Translated from German
[ References ]References
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-releasedRelease NotesVendor Advisory
- gitlab.com/gitlab-org/gitlab/-/work_items/629523Issue Tracking
- hackerone.com/reports/3936831Permissions Required