CVE-2026-5377

MEDIUM

Incorrect Authorization in GitLab

Title source: cna
STIX 2.1

Description

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.

Scores

CVSS v3 4.3
EPSS 0.0001
EPSS Percentile 2.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (2)
gitlab/gitlab 18.11.0 (2 CPE variants)
GitLab/GitLab 18.11 - 18.11.1
Published Apr 22, 2026
Tracked Since Apr 22, 2026