CVE-2026-0595

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 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to add unauthorized email addresses to victim accounts through HTML injection in test case titles.

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