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Advisories

Coraza from 3.0.4 before 3.8.1 Request Body Inspection Bypass via Content-Type

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Severity
medium
Date
Affecting

  • coraza >= 3.0.4, < 3.8.1

CWE
  • CWE-20 Improper Input Validation
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N
Credit
MushroomWasp
Description
Coraza from 3.0.4 before 3.8.1 contains a request body inspection bypass because request-body processor selection compares the entire Content-Type value exactly, so URL-encoded bodies whose Content-Type carries a media-type parameter are never parsed. Unauthenticated attackers can send application/x-www-form-urlencoded; charset=UTF-8 to keep ARGS_POST and REQUEST_BODY empty, evading body rules while the backend still processes the payload.

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