🔐 CVE Alert

CVE-2026-93577

CRITICAL 9.9

Integer Overflow or Wraparound in GitLab

CVSS Score
9.9
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-190
Vendor gitlab
Product gitlab
Ecosystems
Industries
Technology
Published Sep 23, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

GitLab / GitLab
19.2 < 19.2.7 19.3 < 19.3.3 19.4 < 19.4.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗
gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/629758 hackerone.com: https://hackerone.com/reports/3995696 docs.gitlab.com: https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/

Credits

Thanks [joaxcar](https://hackerone.com/joaxcar) for reporting this vulnerability through our HackerOne bug bounty program