Description
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.
References (1)
Core 1
Core References
Third Party Advisory, Exploit
https://github.com/cyberinvest211/websocket-server-vuln-poc/tree/main
Scores
CVSS v3
7.5
EPSS
0.0036
EPSS Percentile
28.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-20
Status
published
Products (1)
pithikos/websocket_server
0.6.4
Published
Jan 20, 2026
Tracked Since
Feb 18, 2026