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[ CVE-2026-110264 · Published 22 Oct 2026 ]

Critical Vulnerability in GitLab Community and Enterprise Editions

CVSS 10.0 EPSS <1%4 agency advisoriesNo fix listed yet

[ Why it matters ]Priority signals

  • Critical severity: CVSS 10.0
  • Urgent advisory from CERT-EU

[ Description ]Official description

An issue has been discovered in GitLab CE/EE affecting all versions from 7.0 before 18.11.13, 19.0 before 19.0.10, 19.1 before 19.1.9, 19.2 before 19.2.9, 19.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, could have allowed an unauthenticated user to execute arbitrary code on the GitLab server due to integer overflow when compiling a specially crafted regular expression.

[ 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

  • CERT-EUCERT-EU 2026-019

    Critical Vulnerability in GitLab Community and Enterprise Editions

    On 21 October 2026, GitLab published a security advisory addressing several vulnerabilities among which a critical flaw that could allow an unauthenticated user to execute arbitrary code on a GitLab server. CERT-EU…

    CriticalCVE-2026-110264
  • NCSC-NLNCSC-2026-0447

    Vulnerabilities fixed in GitLab by GitLab Inc. Translated from Dutch

    Probability/damage M/HCVE-2026-12664CVE-2026-13319CVE-2026-14288+9 more CVEs
  • CERT-FRCERTFR-2026-AVI-1363

    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 security policy bypass.

    CVE-2026-12664CVE-2026-112378CVE-2026-15723+9 more CVEs
  • BSI CERT-BundWID-SEC-2026-4115

    GitLab: Multiple vulnerabilities Translated from German

    Risk highCVE-2026-13319CVE-2026-110264CVE-2026-112378+9 more CVEs

[ References ]References