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CVE-2026-5536

MEDIUM CVSS 4.0: 6.9 EPSS 0.04%
Updated Apr 07, 2026
Parameter Value
CVSS 6.9 (MEDIUM)
Type CWE-502 (Deserialization of Untrusted Data), CWE-20 (Improper Input Validation)
Public PoC No

A weakness has been identified in FedML-AI FedML up to 0.8.9. Affected is the function sendMessage of the file grpc_server.py of the component gRPC server. Executing a manipulation can lead to deserialization.

The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0