RCE in GitLab
CVE-2026-88765
GitLab has remediated an issue in GitLab EE affecting all versions from 12.3 to 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 under certain conditions could allow an authenticated user to achieve remote code execution by importing a specially crafted Git project export to overflow the Unicode conversion buffer used in Advanced Search indexing.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (52.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/work_items/627435 (Broken Link)
- hackerone.com/reports/3990469 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2026-88765?
- CVE-2026-88765 is a high-severity vulnerability in GitLab, classified under Command Injection. CVSS score: 8.5/10. Published 2026-09-15.
- How severe is CVE-2026-88765?
- High severity. CVSS v3 base score is 8.5 out of 10.