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Advisories

AgentFlow Local Web API Content-Type Validation Bypass

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severity
medium
date
Affecting

  • AgentFlow < commit 1667fa3

CWE
  • CWE-346 Origin Validation Error
CVSS
4.8
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Credit
Chia Min Jun Lennon
Description
AgentFlow's local web API accepts non-JSON content types on POST /api/runs and POST /api/runs/validate endpoints without enforcing application/json validation, allowing attackers to bypass trust-boundary enforcement on sensitive operations. Attackers can exploit this content-type validation weakness through browser-driven or local cross-origin requests to abuse the localhost API and enable attack chains against the local control plane.

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