# CVE-2026-15387: Acceptance of Extraneous Untrusted Data With Trusted Data in GitLab

> CVE-2026-15387: Acceptance of Extraneous Untrusted Data With Trusted Data in GitLab. CVSS 4.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-15387
Last updated: 2026-08-31T15:41:20Z

- Published: 2026-08-26 13:36 UTC · Updated: 2026-08-31 15:41 UTC · Assigner: GitLab
- CVSS: 4.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- EPSS: 0.21%, 12th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-349

## Description

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.

## Affected vendors and products

- GitLab: GitLab

## Tracked companies

- [GitLab](https://rewindex.com/company/gitlab.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-15387)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-15387)
- [https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/](https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/)
- [https://gitlab.com/gitlab-org/gitlab/-/work\_items/605632](https://gitlab.com/gitlab-org/gitlab/-/work_items/605632)
- [https://hackerone.com/reports/3754358](https://hackerone.com/reports/3754358)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2026-15387 · Markdown: https://rewindex.com/cve/CVE-2026-15387.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-15387 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:06.377Z