CVE-2026-12436
8.4
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GitLab | GitLab | 18.0 < 19.0.5 | affected |
| GitLab | GitLab | 19.1 < 19.1.3 | affected |
| GitLab | GitLab | 19.2 < 19.2.1 | affected |
Weaknesses
- CWE-915: CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/603223
- https://hackerone.com/reports/3800511
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/
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