CVE-2026-15423

HIGH

Incorrect Authorization in GitLab

Title source: CVE List
STIX 2.1 vulnerability

Record summary

CVE-2026-15423 has a selected CVSS score of 8.5 (high).

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute CI/CD pipelines on a protected branch without the required push permissions due to improper authorization in pipeline reference validation.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableNo
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Aug 13, 2026 · Source: CVE List

Affected products and versions

1
ProductSourceVersion range

GitLab

Browse GitLab / GitLab

Default status: unaffected

CVE List19.0 to < 19.0.6affected
19.1 to < 19.1.4affected
19.2 to < 19.2.2affected

References

4