Feed/CVE-2026-44545
CVE-2026-44545MEDIUMCVSS 5.3

daphne: Unauthenticated attackers can cause excessive memory consumption by sending arbitrarily large WebSocket messages/frames

Published Jun 3, 2026·Updated Jul 11, 2026

NVD Description

daphne before 4.2.2 did not pass maxFramePayloadSize or maxMessagePayloadSize to Autobahn's WebSocketServerFactory. Because Autobahn defaults both values to 0 (unlimited), an unauthenticated remote attacker could send arbitrarily large WebSocket messages or frames, causing excessive memory consumption and a denial of service.

Affected Packages (1)

daphnePYPI
Fixed in 4.2.2

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

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