GitLabCVE-2026-105711

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.0...

CVE-2026-105711 · Published Oct 22, 2026 · updated Oct 30, 2026

Low3.5

Fix: upgrade to 19.3.6 or later (3 fixed versions below)

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when a merge request in a public project referenced a confidential issue from a private project, an authenticated user with no project membership could have read the confidential issue's title, due to a viewer-independent fragment cache key that incorrectly shared per-user-redacted rendered content across all users.

Affected versions

Package	Affected	Fixed in
GitLab Product	>= 15.0, < 19.3.6	19.3.6
	>= 19.4, < 19.4.3	19.4.3
	>= 19.5, < 19.5.1	19.5.1

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Severity from: the vendor (its own CVE record or advisory)
Weakness: CWE-524

More GitLab advisories

All GitLab

Medium 6.8Oct 22

GitLab: improper authorizationCVE-2026-12664fixed in 19.3.6 +2 Medium 4.3Oct 22

GitLab: missing authorizationCVE-2026-13319fixed in 19.3.6 +2 Low 3.1Oct 22

GitLab: improper access controlCVE-2026-14288fixed in 19.3.6 +2 High 8.2Oct 22

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1...CVE-2026-15723fixed in 19.3.6 +2 Medium 5.9Oct 22

GitLab: improper authorizationCVE-2026-16255fixed in 19.3.6 +2 Medium 4.3Oct 22

GitLab: authenticated user could access paid AI features withoutCVE-2026-112378fixed in 19.3.6 +2