CVE-2026-93577

9.9 criticalEPSS 0.6%

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.

Severity

CVSS 3.1

9.9 critical

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-30)
CWE: CWE-190
Published: 2026-09-24
Modified: 2026-10-31
Record from: the NVD, synced 2026-10-31

Affected

gitlab:gitlab

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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