GitLab Patches Multiple Vulnerabilities
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CERT-FR advisory details multiple GitLab CE/EE vulnerabilities allowing remote code execution, data exposure, and security bypass; patches available.
CERT-FR has published an advisory covering multiple vulnerabilities in GitLab Community Edition (CE) and Enterprise Edition (EE). The flaws affect versions 19.4.x prior to 19.4.3, 19.5.x prior to 19.5.1, and all versions prior to 19.3.6. Collectively, exploitation of these vulnerabilities could allow an attacker to achieve remote code execution, breach data confidentiality, bypass security policies, or cause denial of service.
The advisory references twelve CVEs (CVE-2026-103515, CVE-2026-105711, CVE-2026-105777, CVE-2026-110264, CVE-2026-112212, CVE-2026-112326, CVE-2026-112378, CVE-2026-12664, CVE-2026-13319, CVE-2026-14288, CVE-2026-15723, CVE-2026-16255) tied to GitLab's October 21, 2026 security release. No specific technical details, exploitation status, or in-the-wild activity were provided in the bulletin itself; defenders should consult GitLab's official patch release notes for per-CVE severity and technical breakdowns.
Organizations running self-managed GitLab CE/EE instances in the affected version ranges should prioritize upgrading to 19.5.1, 19.4.3, or 19.3.6 (or later) as appropriate. Given the mix of RCE and confidentiality-impacting issues, timely patching is recommended even though no active exploitation has been confirmed in this advisory.
Mentioned in this report
Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1363
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