CVE Watch27 jul 2026

CVE-2026-66730

facil.io 0.6.0 through 0.7.6 contains a denial-of-service vulnerability in the multipart body parser that allows an unauthenticated remote a

CVSS

7.5

Alto

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 27 jul 2026 · Última mod.: 27 jul 2026 · CWE-835

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

facil.io 0.6.0 through 0.7.6 contains a denial-of-service vulnerability in the multipart body parser that allows an unauthenticated remote attacker to permanently freeze worker processes at 100% CPU by sending a multipart/form-data request with a partial closing boundary. The missing progress guard in the parser loop causes http_mime_parse to return 0 bytes consumed without setting done or error flags, causing the calling loop to re-invoke the parser on the same buffer indefinitely, exhausting all workers and permanently disabling the server until manually restarted.

Referencias oficiales

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