What is CVE-2026-15387?

CVE-2026-15387 is a medium-severity vulnerability in GitLab, classified under CWE-349. CVSS score: 4.3/10. Published 2026-08-26.

How severe is CVE-2026-15387?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in GitLab

CVE-2026-15387

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.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Gitlab

Weakness classification (CWE)

CWE-349

References

cve@gitlab.com
cve@gitlab.com (technical-description, permissions-required, exploit)
cve@gitlab.com

Frequently asked questions

What is CVE-2026-15387?: CVE-2026-15387 is a medium-severity vulnerability in GitLab, classified under CWE-349. CVSS score: 4.3/10. Published 2026-08-26.
How severe is CVE-2026-15387?: Medium severity. CVSS v3 base score is 4.3 out of 10.