Vulnerability details
CVE-2026-89078
GitLab GitLab
Double Free in GitLab
CVSS 3.1
9.9Critical
Official description
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 a double free issue when parsing a specially crafted regular expression in a CI/CD configuration.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.9Critical | 3.1 | CVEProject cvelistV5 (CNA) (GitLab) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| GitLab | GitLab | 19.2 ≤ v < 19.2.7 | CVEProject cvelistV5 (CNA) |
| GitLab | GitLab | 19.3 ≤ v < 19.3.3 | CVEProject cvelistV5 (CNA) |
| GitLab | GitLab | 19.4 ≤ v < 19.4.1 | CVEProject cvelistV5 (CNA) |
References and advisories
4
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Details
- Published
- 2026-09-24
- Last updated
- 2026-10-31
- State
- Published
- Assigner (CNA)
- GitLab
Exploit prediction (EPSS)
0.52%
Probability of exploitation in 30 days
44.5%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-415Double Free