CVE-2025-66902

7.5 highEPSS 0.4%

High (7.5) in pithikos websocket server. EPSS 0.4% chance of exploitation in the next 30 days.

An input validation issue in in Pithikos websocket-server v.0.6.4 allows a remote attacker to obtain sensitive information or cause unexpected server behavior via the websocket_server/websocket_server.py, WebSocketServer._message_received components.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2026-01-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

pithikos:websocket_server

References

https://github.com/cyberinvest211/websocket-server-vuln-poc/tree/main

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