CVE-2026-5377

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.11 before 18.11.1 that could have allowed an authenticated user to access titles of confidential or private issues in public projects due to improper access control in the issue description rendering process.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/	Release Notes Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/595553	Broken Link
https://hackerone.com/reports/3640688	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab:18.11.0::::community:::
	cpe:2.3:a:gitlab:gitlab:18.11.0::::enterprise:::

History

23 Apr 2026, 20:37

Type	Values Removed	Values Added
First Time		Gitlab Gitlab gitlab
References	~~() https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/ -~~	() https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/ - Release Notes, Vendor Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/work_items/595553 -~~	() https://gitlab.com/gitlab-org/gitlab/-/work_items/595553 - Broken Link
References	~~() https://hackerone.com/reports/3640688 -~~	() https://hackerone.com/reports/3640688 - Permissions Required
CPE		cpe:2.3:a:gitlab:gitlab:18.11.0::::enterprise::: cpe:2.3:a:gitlab:gitlab:18.11.0::::community:::

22 Apr 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-22 17:16

Updated : 2026-04-23 20:37

NVD link : CVE-2026-5377

Mitre link : CVE-2026-5377

CVE.ORG link : CVE-2026-5377

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-863

Incorrect Authorization

4.3 /10