Pipeline Execution Policy Vulnerability in GitLab by GitLab Inc.
CVE-2026-15387

4.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
26 August 2026

What is CVE-2026-15387?

GitLab has addressed a vulnerability in its GitLab EE product that affects multiple versions. An authenticated user with developer-role permissions may manipulate the execution environment of jobs related to the Pipeline Execution Policy due to improper handling of job dependencies. This can lead to unintended actions within the system, posing potential risks for unauthorized access or modification of execution policies.

Affected Version(s)

GitLab 19.1 < 19.1.7

GitLab 19.2 < 19.2.5

GitLab 19.3 < 19.3.1

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/605632
https://hackerone.com/reports/3754358
technical-descriptionexploitpermissions-required
https://docs.gitlab.com/releases/patches/patch-release-gi...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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