GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.7 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2, that could have allowed a blocked user to access sensitive information by establishing GraphQL subscriptions through WebSocket connections.
2025-11-15T08:15:45.820
2025-11-19T17:46:27.007
Analyzed
CVSSv3.1: 4.3 (MEDIUM)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | gitlab | gitlab | < 18.3.6 | Yes |
| Application | gitlab | gitlab | < 18.3.6 | Yes |
| Application | gitlab | gitlab | < 18.4.4 | Yes |
| Application | gitlab | gitlab | < 18.4.4 | Yes |
| Application | gitlab | gitlab | < 18.5.2 | Yes |
| Application | gitlab | gitlab | < 18.5.2 | Yes |