VDB
CVE-2026-12436
CVE-2026-12436
PUBLISHED
CVSS 8.4 HIGH
Reported by GitLab · Published July 29, 2026
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.
Risk Scores
CVSS 3.1
8.4
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| GitLab | GitLab | 18.0, 19.1, 19.2 |
| chainguard | gitlab-workhorse-ce-fips-18.9 | 0, 0 |
| chainguard | gitlab-rails-ce-fips-18.6 | 0, 0 |
| chainguard | gitlab-runner-fips-18.11 | 0, 0 |
| chainguard | gitlab-runner-19.1 | 0, 0 |
| chainguard | gitlab-rails-ce-18.6 | 0, 0 |
| chainguard | gitlab-runner-fips-19.1 | 0, 0 |
| chainguard | gitlab-workhorse-ce-fips-18.11 | 0, 0 |
| chainguard | gitlab-rails-ce-18.7 | 0, 0 |
| chainguard | gitlab-workhorse-ce-18.7 | 0, 0 |
| chainguard | gitlab-rails-ce-18.11 | 0, 0 |
| chainguard | gitlab-rails-ce-fips-19.0 | 0, 0 |
| chainguard | gitlab-workhorse-ce-18.8 | 0, 0 |
| chainguard | gitlab-rails-ce-18.10 | 0, 0 |
| wolfi | gitlab-runner-19.0 | 0 |
| chainguard | gitlab-cng-18.11 | 0, 0 |
| chainguard | gitlab-rails-ce-18.9 | 0, 0 |
| wolfi | gitlab-runner-18.11 | 0 |
| chainguard | gitlab-workhorse-ce-fips-18.10 | 0, 0 |
| chainguard | gitlab-workhorse-ce-fips-18.8 | 0, 0 |
…and 20 more
Timeline
- Jul 29, 2026 Coalition ESS Score
- Jul 29, 2026 CVE Published
- Aug 7, 2026 EPSS Score
References
- HackerOne Bug Bounty Report #3800511 technical-descriptionexploitpermissions-required