CVE-2026-97229Integer Overflow or Wraparound in GitLab
- 10.0CriticalCVSS base score
- 69.3%Exploitation in 30 daysEPSS · top 0.6% of all CVEs
- YesKnown exploitedin CISA's KEV since 29 Oct 2026
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound Vulnerability.
- Added
- 29 Oct 2026
- Fix due (US federal)
- 1 Nov 2026
- Used by ransomware
- Not known
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.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 29 Oct 2026.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and a Nuclei template for it. 2 references of the record are tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits4
Metasploit modules1 module
- GitLab CI/CD RegExp Integer Overflow Remote Code Execution (Metasploit module) (opens in a new tab)
exploit/multi/http/gitlab_cicd_regexp_rce_cve_2026_97229Rank gooddisclosed 12 Oct 2026
Nuclei templates1 template
- GitLab CE/EE < 19.2.8 / 19.3.5 / 19.4.2 - Unauthenticated RCE via Onigmo Integer Overflow (Nuclei template) (opens in a new tab)
http/cves/2026/CVE-2026-97229.yamlSeverity critical
References tagged exploit2 references
- HackerOne Bug Bounty Report #4055749 (opens in a new tab)technical-descriptionexploitpermissions-required
- HackerOne Bug Bounty Report #4058589 (opens in a new tab)technical-descriptionexploitpermissions-required
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By GitLab
- 19 days later
· 19 days later
Published
- 16 days later
· 16 days later
Added to CISA KEV
Known exploited in the wild
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitLabCNA (assigner) | 3.1 | Critical10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 69.3% · top 0.6% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 10.0.
Affected products
What to do
Solution: Upgrade to versions 19.2.8, 19.3.5, 19.4.2 or above.
References
References7
- https://gitlab.com/gitlab-org/gitlab/-/work_items/630686 (opens in a new tab)
- HackerOne Bug Bounty Report #4055749 (opens in a new tab)technical-descriptionexploitpermissions-required
- HackerOne Bug Bounty Report #4058589 (opens in a new tab)technical-descriptionexploitpermissions-required
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ (opens in a new tab)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-97229 (opens in a new tab)government-resource
- https://github.com/rapid7/metasploit-framework/pull/22017 (opens in a new tab)
- https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves/ (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-98214 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-97229)Record last updated .