In JetBrains TeamCity before 2026.1 insufficient username validation in the SAML plugin
| Vendor | Product | Versions |
|---|---|---|
| jetbrains | teamcity | 0 |
Downstream vendors/products affected by this vulnerability
| Vendor | Product | Source | Confidence |
|---|---|---|---|
| jetbrains | teamcity | cert_advisory | 90% |
Updated severity to CRITICAL, added affected version 2026.0, and marked the vulnerability as actively exploited.
Initial creation
