CVE-2026-88765 GitLab EE - Remote Code Execution

GitLab EE 12.3 to 19.1.8, 19.2 < 19.2.6, and 19.3 < 19.3.2 contain a remote code execution caused by Unicode conversion buffer overflow in Advanced Search indexing when importing crafted Git project exports, letting authenticated users execute code remotely, exploit requires user authentication.

CVSS base score 8.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.68% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-77 CWE-787

Vendor fix

Update to GitLab EE 19.1.9, 19.2.6, 19.3.2 or later versions.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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