CVE-2026-5309

GitLab has remediated an issue in GitLab EE affecting all versions from 18.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user to read or modify another group's virtual registry cleanup policy settings without authorization.

CVSS v3.1

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.29% chance of exploitation in the next 30 days, 22th percentile

Published

2026-06-25

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3628793

References

• CVE Record
• NVD entry

Related

• CVE-2026-53075
• CVE-2026-5310
• CVE-2026-5306
• CVE-2026-5311
• CVE-2026-5305
• CVE-2026-5312