CVE-2026-110264 GitLab CE/EE - Remote Code Execution

GitLab CE/EE < 18.11.13, 19.0 < 19.0.10, 19.1 < 19.1.9, 19.2 < 19.2.9, 19.3 < 19.3.6, 19.4 < 19.4.3, and 19.5 < 19.5.1 contain a remote code execution caused by integer overflow in regular expression compilation, letting unauthenticated users execute arbitrary code on the server, exploit requires crafted regex input.

CVSS base score 10.0 /10
Critical
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.51% 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:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
22 October 2026
Updated
23 October 2026
Weakness
CWE-190

Vendor fix

Update to version 18.11.13, 19.0.10, 19.1.9, 19.2.9, 19.3.6, 19.4.3, 19.5.1 or later.

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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