CVE-2026-7439

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.

CVSS v3 4.4 MEDIUM

4.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 2.5

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/berabuddies/agentflow/commit/1667fa3
https://github.com/berabuddies/agentflow/pull/18
https://www.vulncheck.com/advisories/agentflow-local-web-api-content-type-validation-bypass
https://github.com/berabuddies/agentflow/pull/18

Configurations

No configuration.

History

30 Apr 2026, 15:44

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-29 19:16

Updated : 2026-04-30 15:44

NVD link : CVE-2026-7439

Mitre link : CVE-2026-7439

CVE.ORG link : CVE-2026-7439

JSON object : View

Products Affected

No product.

CWE

CWE-346

Origin Validation Error

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