JetBrains TeamCity Relative Path Traversal Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 20/04/2026. Patch affected systems as an emergency. It is known to be used in ransomware campaigns.
| Package | Affected versions | Patched versions |
|---|---|---|
| teamcity | < 2023.11.4 | 2023.11.4 |
In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible
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