CVE-2026-10518CWE-863broken-access-control

CVE-2026-10518

Medium · published September 29, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
31.8
In the wild
Unconfirmed
What it is

GitLab has remediated an issue in GitLab EE affecting all versions from 17.9 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user with guest-level permissions to read private security policy content they were not authorized to access due to improper authorization enforcement.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00389 · 31.8th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-09-29T14:17Z
Affected products (3)
ProductVersionsFixed in
gitlab/gitlab≥ 17.9.0, < 19.2.719.2.7
gitlab/gitlab≥ 19.3.0, < 19.3.319.3.3
gitlab/gitlaball versions—
References (3)
EPSS history
Timeline
  • 30 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 29 SEP 09:35Z
    Incorrect Authorization in GitLab
    cvelistv5