CVE-2025-66902

7.5 HIGH 0.4% exploit odds No fix listed Other Server

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-01-20 21:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 09:57 UTC Last updatedMost recent change to the record

Details

Published: 2026-01-20 21:16 UTC
Last modified: 2026-06-17 09:57 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-20 · Improper input validation
Record status: Analyzed

Affected

Pithikos Websocket Server 0.6.4

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Raw vector

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

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References

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

NVD record · CVE.org record