GitLab EE 19.x Auth Dev-Role Pipeline Exec Policy Bypass via Job Deps
CVE-2026-15387 Published on August 26, 2026
Acceptance of Extraneous Untrusted Data With Trusted Data in GitLab
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.
Vulnerability Analysis
CVE-2026-15387 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
Acceptance of Extraneous Untrusted Data With Trusted Data
The software, when processing trusted data, accepts any untrusted data that is also included with the trusted data, treating the untrusted data as if it were trusted.
Products Associated with CVE-2026-15387
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Affected Versions
GitLab:- Version 19.1 and below 19.1.7 is affected.
- Version 19.2 and below 19.2.5 is affected.
- Version 19.3 and below 19.3.1 is affected.