GitLabCVE-2026-18433
GitLab: improper authorization
Medium4.3CVE-2026-18433 · Published Aug 12, 2026 · updated Aug 19, 2026
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.4 and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to read policy configuration belonging to a namespace they were not authorized to access, due to incorrect authorization checks in a GraphQL query.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| GitLab Product | >= 19.1, < 19.1.4 | 19.1.4 |
| >= 19.2, < 19.2.2 | 19.2.2 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-863
More GitLab advisories
All GitLab| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 12 | GitLab: missing authorization | Medium4.3 | 19.0.6+2 more |
| Aug 12 | GitLab: missing authorization | Medium4.3 | 19.0.6+2 more |
| Aug 12 | GitLab: improper authorization | High8.5 | 19.1.4+1 more |
| Aug 12 | GitLab: missing authorization | High7.1 | 19.1.4+1 more |
| Aug 12 | GitLab: cross-site scripting | High8.7 | 19.0.6+2 more |
| Aug 12 | GitLab: cross-site scripting | High8.7 | 19.0.6+2 more |