Advisoriesby IbisGitLabCVE-2026-16553
GitLab: information disclosure
Fix: upgrade to 19.0.5 or later (3 fixed versions below)
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| GitLab Product | >= 18.8, < 19.0.5 | 19.0.5 |
| >= 19.1, < 19.1.3 | 19.1.3 | |
| >= 19.2, < 19.2.1 | 19.2.1 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-522