Description (CNA)
Hermes Agent before 0.16.0 contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. FastAPI HTTP middleware does not execute for WebSocket upgrade requests on /api/pty, /api/ws, /api/pub, and /api/events endpoints, enabling attackers to exploit DNS rebinding and inject malicious commands or read terminal output.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| NousResearch / hermes-agent | affected 0 before 0.16.0; unaffected 0.16.0 |
CWE
CWE-306
References
- https://github.com/NousResearch/hermes-agent/releases/tag/v2026.6.5
- https://github.com/NousResearch/hermes-agent/pull/30221
- https://github.com/NousResearch/hermes-agent/pull/31685
- https://github.com/NousResearch/hermes-agent/commit/d9ec90585cf7616b5972e44cf8d92bb569fc3feb
- https://www.vulncheck.com/advisories/hermes-agent-dns-rebinding-bypass-via-websocket-endpoints
ADP enrichment
No English description supplied.
No references supplied.