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NPM: undici WebSocket client vulnerable to denial of service via fragment count bypass

🗓️ 19 Jun 2026 14:22:01Reported by PatchstackType 
patchstack
 patchstack
🔗 patchstack.com👁 4 Views

Undici WebSocket client in NPM has a denial of service via fragment count bypass before 6.27.0.

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19 Jun 2026 14:22Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.0057
SSVC
4