CVE-2026-97229

Integer Overflow or Wraparound in GitLab

  • Critical 10.0
  • Exploited: added to CISA KEV 29 Oct 2026
  • A public exploit reference is listed

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an unauthenticated user to execute arbitrary code on the GitLab server via a specially crafted regular expression in a CI/CD configuration, due to insufficient regular expression validation.

Key facts

Published
13 Oct 2026
Last changed
30 Oct 2026
Assigned by
GitLab
KEV added
29 Oct 2026
KEV fix due
1 Nov 2026
EPSS
69.289% likely to be exploited in the next 30 days, higher than 99.369% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: yes; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 10.0CVSS 3.1, Criticalfrom the CNA (GitLab)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

What to do

  • Upgrade to versions 19.2.8, 19.3.5, 19.4.2 or above.CNA solution statement
  • Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
GitLabGitLab
  • Default status: unaffected
  • 19.2 up to but excluding 19.2.8 (affected)
  • 19.3 up to but excluding 19.3.5 (affected)
  • 19.4 up to but excluding 19.4.2 (affected)

Timeline

  1. 13 Oct 2026 Published
  2. 29 Oct 2026 CVE-2026-97229 added to CISA KEV
  3. 29 Oct 2026 Added to the CISA KEV catalogue

Weakness

Related coverage

References