Acceptance of Extraneous Untrusted Data With Trusted Data Affecting gitlab-rails-19.3 package, versions <19.3.1-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-MINIMOSLATEST-GITLABRAILS193-19659744
- published10 Sept 2026
- disclosed26 Aug 2026
Introduced: 26 Aug 2026
CVE-2026-15387 (opens in a new tab)How to fix?
Upgrade Minimos:latest gitlab-rails-19.3 to version 19.3.1-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gitlab-rails-19.3 package and not the gitlab-rails-19.3 package as distributed by Minimos.
See How to fix? for Minimos:latest relevant fixed versions and status.
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with developer-role permissions could have influenced the execution environment of Pipeline Execution Policy enforcement jobs, due to improper handling of job dependencies.
References
- https://www.cve.org/CVERecord?id=CVE-2026-15387
- https://github.com/advisories/GHSA-8x29-wc3v-56mg
- https://osv.dev/vulnerability/MINI-8fjr-5hwc-8865
- https://osv.dev/vulnerability/CVE-2026-15387
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/
- https://gitlab.com/gitlab-org/gitlab/-/work_items/605632
- https://hackerone.com/reports/3754358