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Undici WebSocket Client Vulnerable To Denial Of Service Via Unbounded Automatic PONG Buffering

🗓️ 28 Oct 2026 06:49:21Reported by Veracode Vulnerability DatabaseType 
veracode
 veracode
🔗 sca.analysiscenter.veracode.com👁 17 Views

Unauthenticated remote DoS in undici WebSocket client via unbounded PONG buffering.

Related
Detection
Vulners
Node
OR
nodejsundiciRange5.15.0–6.29.0js
nodejsundiciRange7.0.0–7.30.0js
nodejsundiciRange8.0.0–8.12.1js

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28 Oct 2026 21:34Current
7.2High risk
Vulners AI Score7.2
CVSS 3.15.9 - 7.5
EPSS0.00321
SSVC
17