November 14, 2026

CVE Watchtower

CVE-2026-97229Gitlab Gitlab Integer Overflow or Wraparound

NVDCVSS scored by cve@gitlab.com

Vulnerability Summary

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.
Severity Level
CRITICAL(10.0)
Published Date
Oct 13, 2026
Last Modified
Nov 2, 2026
PoC
Available(Metasploit, Nuclei)
Exploitation Status
ACTIVE
EPSS Score (30-Day)
69.29%Probability
Root Weakness (CWE)
CWE-190: Integer Overflow or Wraparound ↗
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes the resulting value will always be larger than the original.
CVSS v3.1 Base Metrics — Score 10.0 (CRITICAL)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Gitlab Gitlab >= 19.2.0 and < 19.2.8
  • Gitlab Gitlab >= 19.3.0 and < 19.3.5
  • Gitlab Gitlab >= 19.4.0 and < 19.4.2
  • Ruby-lang Ruby >= 3.3.0 and < 3.3.13
  • Ruby-lang Ruby >= 3.4.0 and < 3.4.12
  • Ruby-lang Ruby >= 4.0.0 and < 4.0.8
Patched Versions
  • Gitlab Gitlab 19.2.8
  • Gitlab Gitlab 19.3.5
  • Gitlab Gitlab 19.4.2
  • Ruby-lang Ruby 3.3.13
  • Ruby-lang Ruby 3.4.12
  • Ruby-lang Ruby 4.0.8

What to do

Patch now. CISA lists this flaw as exploited in the wild and set a federal remediation deadline of Nov 1, 2026.

  1. Check whether you run Gitlab Gitlab and which version.
  2. Update to a patched version listed above, then confirm the new version.
  3. Review logs and exposed services for signs of earlier compromise.

CISA required action: 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 Status

Listed in Known Exploited Vulnerabilities
Added: Oct 29, 2026
Remediation due: Nov 1, 2026 (deadline passed)

Timeline

  • Oct 13, 2026Published
  • Oct 29, 2026Added to CISA KEV catalog
  • Nov 1, 2026KEV remediation due date
  • Nov 2, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

Get notified about new GitLab CVEsYou are reading CVE-2026-97229. Get an email when KEV listings, exploits or new CVEs match your stack.
Notify me about GitLab CVEs

Related Coverage

External References

Data last checked: Nov 14, 2026 07:11 UTC