CVE-2026-5536

HIGH 7.3

FedML-AI FedML gRPC server grpc_server.py sendMessage deserialization

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

11th

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.

CWE	CWE-502 CWE-20
Vendor	fedml-ai
Product	fedml
Published	Apr 5, 2026
Last Updated	Apr 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

FedML-AI / FedML

0.8.0 0.8.1 0.8.2 0.8.3 0.8.4 0.8.5 0.8.6 0.8.7 0.8.8 0.8.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/355289 vuldb.com: https://vuldb.com/vuln/355289/cti vuldb.com: https://vuldb.com/submit/782201 github.com: https://github.com/AnalogyC0de/public_exp/issues/26

Credits

🔍 Ana10gy (VulDB User) VulDB CNA Team