Advisoriesby IbisGitLabCVE-2026-12436
GitLab: mass assignment
Fix: upgrade to 19.0.5 or later (3 fixed versions below)
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| GitLab Product | >= 18.0, < 19.0.5 | 19.0.5 |
| >= 19.1, < 19.1.3 | 19.1.3 | |
| >= 19.2, < 19.2.1 | 19.2.1 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-915