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.

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)

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.

Affected products

Gitlab

Weakness classification (CWE)

CWE-77 — Command Injection

References

cve@gitlab.com
cve@gitlab.com (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.