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CVE-2026-105711 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:3.5 LOWVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/	[email protected]	Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/632207	[email protected]	Permissions Required
https://hackerone.com/reports/3963293	[email protected]	Permissions Required

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-524	Use of Cache Containing Sensitive Information	[email protected]

Affected Products

Product	Versions
gitlab gitlab	>= 15.0.0, < 19.3.6 >= 19.4.0, < 19.4.3 19.5.0
CPE cpe:2.3:a:gitlab:gitlab:::::community:::* cpe:2.3:a:gitlab:gitlab:::::enterprise:::* cpe:2.3:a:gitlab:gitlab:19.5.0::::community::: cpe:2.3:a:gitlab:gitlab:19.5.0::::enterprise::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Nov 4, 2026	CVE Translated	[email protected]
Oct 30, 2026	CVE Modified	CISA-ADP
Oct 27, 2026	Initial Analysis	[email protected]
Oct 22, 2026	New CVE Received	[email protected]