CVE-2026-16553: GitLab

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed some sensitive information to be disclosed to an unintended host due to improper handling of upstream requests in virtual registries.

Affected products

  • GitLab GitLab: from 18.8.0, before 19.0.5 (fixed in 19.0.5); from 19.1.0, before 19.1.3 (fixed in 19.1.3); version 19.2.0 only

Published 2026-07-29. Last modified 2026-08-03.