CVE-2026-12436

8.4 highEPSS 0.5%

High (8.4) in gitlab gitlab. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.4 high

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-31)
CWE: CWE-915
Published: 2026-07-29
Modified: 2026-08-03
Record from: the NVD, synced 2026-10-19

Affected

gitlab:gitlab

References

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/603223
https://hackerone.com/reports/3800511

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