CVE-2026-4879

MEDIUM

Missing Authorization in GitLab

Title source: CVE List
STIX 2.1 vulnerability

Record summary

CVE-2026-4879 has a selected CVSS score of 4.3 (medium).

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 16.0 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 view external status check configuration restricted to higher-privileged roles due to missing authorization on a merge request API endpoint.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationPoC
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 List16.0 to < 19.0.6affected
19.1 to < 19.1.4affected
19.2 to < 19.2.2affected

References

4