CVE-2026-93577: gitlab gitlab

CVSS 9.9 (critical) · published 2026-09-24

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary code on the GitLab server due to an integer overflow issue when compiling a specially crafted regular expression in a CI/CD configuration.

Affected products (NVD): gitlab gitlab

Fixed in (NVD): 19.2.7, 19.3.3

Weakness: CWE-190

Source: NVD CVE-2026-93577

References

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/629758
• https://hackerone.com/reports/3995696
• https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves/

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