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[ CVE-2026-87719 · Published 12 Sep 2026 ]

Vulnerability in GitLab

CVSS 9.9 EPSS <1%1 agency advisoryFix available

[ Why it matters ]Priority signals

  • Critical severity: CVSS 9.9

[ Description ]Official description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 18.11.12, 19.0 before 19.0.9, 19.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could allow an authenticated user with Duo Chat access to obtain Advanced Search instance configurations and sensitive credentials using a specially crafted GraphQL subscription argument to bypass serialization and perform server object lookup.

[ Fixes ]Fixes and patches

  • Security bulletin: GitLabVendor patch or bulletin · CERT-FR · docs.gitlab.com/releases/patches/patch-release-gitlab-19-0-9-released, cited by CERT-FR CERTFR-2026-AVI-1242

[ Advisories ]Government CERT advisories

  • CERT-FRCERTFR-2026-AVI-1242

    Multiple vulnerabilities in GitLab Translated from French

    Multiple vulnerabilities have been discovered in GitLab. They allow an attacker to cause a breach of data confidentiality and a security policy bypass. Gitlab reports that vulnerability CVE-2026-85706 is being actively…

    CVE-2026-85706CVE-2026-87719

[ References ]References