CVE-2026-15423CWE-863broken-access-control

CVE-2026-15423

High · published August 12, 2026

CVSS v3.1
8.5
EPSS
0%
Percentile
33.0
In the wild
Unconfirmed
What it is

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute CI/CD pipelines on a protected branch without the required push permissions due to improper authorization in pipeline reference validation.

The record
Technical detail
CVSS v3.1
8.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00400 · 33.0th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-08-12T22:17Z
Affected products (6)
ProductVersionsFixed in
gitlab/gitlab≥ 19.0.0, < 19.0.619.0.6
gitlab/gitlab≥ 19.0.0, < 19.0.619.0.6
gitlab/gitlab≥ 19.1.0, < 19.1.419.1.4
gitlab/gitlab≥ 19.1.0, < 19.1.419.1.4
gitlab/gitlab≥ 19.2.0, < 19.2.219.2.2
gitlab/gitlab≥ 19.2.0, < 19.2.219.2.2
References (3)
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/ · [email protected]https://gitlab.com/gitlab-org/gitlab/-/work_items/605705 · [email protected]https://hackerone.com/reports/3832069 · [email protected]
EPSS history
Timeline
  • 12 AUG 18:05Z
    Incorrect Authorization in GitLab
    cvelistv5