EUVD-2026-21162
GHSA-q5r4-47m9-5mc7
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
5DescriptionGitHub Advisory
PraisonAI is a multi-agent teams system. Prior to 4.5.128, the /media-stream WebSocket endpoint in PraisonAI's call module accepts connections from any client without authentication or Twilio signature validation. Each connection opens an authenticated session to OpenAI's Realtime API using the server's API key. There are no limits on concurrent connections, message rate, or message size, allowing an unauthenticated attacker to exhaust server resources and drain the victim's OpenAI API credits. This vulnerability is fixed in 4.5.128.
AnalysisAI
Unauthenticated resource exhaustion in PraisonAI versions prior to 4.5.128 allows remote attackers to drain OpenAI API credits and exhaust server resources. The /media-stream WebSocket endpoint in the call module accepts connections without authentication or Twilio signature validation, enabling unlimited concurrent sessions to OpenAI's Realtime API using the server's credentials. No public exploit identified at time of analysis. Affects PraisonAI deployments exposing the call module's WebSocket interface.
Technical ContextAI
CWE-770 allocation without limits. The WebSocket endpoint lacks authentication controls and rate limiting, permitting arbitrary clients to spawn authenticated OpenAI Realtime API sessions using server-side credentials. No connection count, message rate, or payload size restrictions enable unbounded resource consumption. Vulnerability resides in call module's media streaming implementation.
RemediationAI
Vendor-released patch: upgrade to PraisonAI version 4.5.128 or later, which implements authentication and Twilio signature validation on the /media-stream WebSocket endpoint. Until upgrade is feasible, disable or firewall-restrict access to the /media-stream endpoint to trusted IP ranges only. Implement API key rotation and configure OpenAI usage limits to mitigate credit exhaustion risk. Monitor WebSocket connection counts and OpenAI API consumption for anomalies. Official advisory: https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-q5r4-47m9-5mc7
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External POC / Exploit Code
Leaving vuln.today