🔐 CVE Alert

CVE-2026-15387

MEDIUM 4.3

Acceptance of Extraneous Untrusted Data With Trusted Data in GitLab

CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-349
Vendor gitlab
Product gitlab
Ecosystems
Industries
Technology
Published Aug 26, 2026
Last Updated Aug 26, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Affected Versions

GitLab / GitLab
19.1 < 19.1.7 19.2 < 19.2.5 19.3 < 19.3.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗
gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/605632 hackerone.com: https://hackerone.com/reports/3754358 docs.gitlab.com: https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/

Credits

Thanks [3nvz](https://hackerone.com/3nvz) for reporting this vulnerability through our HackerOne bug bounty program