PT-2026-65872 · Gitlab · Gitlab

CVE-2026-12436 · Published 2026-07-29 · Updated 2026-07-29

Mitre

CVSS v3.1

8.4

High

Base vector

AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to modify CI/CD configuration belonging to another user due to improper validation of user-supplied attributes when processing pipeline schedule inputs.

Exploit

Fix

Weakness Enumeration

CWE-915

Related Identifiers

CVE-2026-12436

Affected Products

Gitlab

References · 4

• 🔥 https://hackerone.com/reports/3800511 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-12436 · Security Note
• https://gitlab.com/gitlab-org/gitlab/-/work_items/603223 · Note
• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released · Note