CVE-2026-97229
CRITICAL 10GitLab 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.
18.4% modeled chance of exploitation in the next 30 days (97th percentile). Prioritize remediation.
Exploitation likelihood
18.4%chance of exploitation in 30 days · 97th percentile
Impact if exploited
10CVSS 3.1 · CRITICAL
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityHigh
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ✓Privileges: No account or privileges required
- ✓User interaction: No user interaction needed
- ✓Complexity: No special conditions — reliably repeatable
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
Search for new PoCs
Search GitHub now — results may be empty or unverified.
Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.
Data snapshot:
Weakness (CWE)
- CWE-190: : Integer Overflow or Wraparound
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References and research data (JSON)
Unverified PoC candidates
Catalogue matches for further research. These repositories have not been validated as working exploits.
2 candidates
- https://github.com/AmpedWasTaken/CVE-2026-97229-GitLab-CI-CD-Regex-Compiler-RCE
CVE-2026-97229 — GitLab CI/CD Regex Compiler RCE
PoC-in-GitHub · CVE-2026-97229
PoC-in-GitHub · CVE-2026-97229 · Updated 2026-10-13T08:51:42Z - https://github.com/gandli/cve-2026-97229-lab
CVE-2026-97229 GitLab CI lint regex integer overflow RCE — InstaBox version matrix reproduction & libruby gadget reverse engineering
PoC-in-GitHub · CVE-2026-97229
PoC-in-GitHub · CVE-2026-97229 · Updated 2026-10-19T00:41:54Z
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Gitlab | Gitlab | ≥ 19.2.0 and < 19.2.8 |
| Gitlab | Gitlab | ≥ 19.2.0 and < 19.2.8 |
| Gitlab | Gitlab | ≥ 19.3.0 and < 19.3.5 |
| Gitlab | Gitlab | ≥ 19.3.0 and < 19.3.5 |
| Gitlab | Gitlab | ≥ 19.4.0 and < 19.4.2 |
| Gitlab | Gitlab | ≥ 19.4.0 and < 19.4.2 |
All CVSS metrics
- CRITICAL 10 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CRITICAL 10 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References
Exploit-tagged references (not proof of a PoC)
- https://hackerone.com/reports/4055749 CVE record · GitLab · Updated 2026-10-13T01:05:46.166Z
NVD · CVE-2026-97229 · Updated 2026-10-14T13:55:26.987 - https://hackerone.com/reports/4058589 CVE record · GitLab · Updated 2026-10-13T01:05:46.166Z
NVD · CVE-2026-97229 · Updated 2026-10-14T13:55:26.987
Advisories
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ CVE record · GitLab · Updated 2026-10-13T01:05:46.166Z
NVD · CVE-2026-97229 · Updated 2026-10-14T13:55:26.987 - https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-98214 EUVD · EUVD-2026-98214
Technical & other
- https://gitlab.com/gitlab-org/gitlab/-/work_items/630686 CVE record · GitLab · Updated 2026-10-13T01:05:46.166Z
NVD · CVE-2026-97229 · Updated 2026-10-14T13:55:26.987