CVE-2026-0958

Publication date 11 February 2026

Last updated 26 March 2026

Ubuntu priority

Cvss 3 Severity Score

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through memory or CPU exhaustion by bypassing JSON validation middleware limits.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
gitlab	25.10 questing	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	16.04 LTS xenial	Ignored
gitlab-agent	25.10 questing	Not affected
	24.04 LTS noble	Not affected
	22.04 LTS jammy	Not in release

Notes

mdeslaur

GitLab isn't maintainable as a distro package, and was removed from Ubuntu because of this. We will not be fixing security issues in the gitlab package in Xenial.

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H