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High 7.5Published Jan 19, 2026

CVE-2025-66902An 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_serve…

Updated under an hour ago ()

Does this affect you?

It affects pithikos websocket_server. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-20
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
mitre
NVD analysis
Analyzed
Record last updated
Jan 21, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
pithikos websocket_server
pithikos:websocket_server
0.6.4
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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