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osv_ghsa
osv_ghsa
•added 2026/09/29 6:21 p.m.•42 views

GHSA-RFGV-XXQX-MFG5 undici vulnerable to Denial of Service via unrequested WebSocket subprotocol

Impact The undici WebSocket client throws an uncaught TypeError during the opening handshake when a server's 101 response includes a Sec-WebSocket-Protocol header that the client never requested. The throw occurs in a queueMicrotask callback with no surrounding try/catch, so it propagates as an...

7.5CVSS6.3AI score0.00394EPSS
SaveExploits0References10
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