Deserialization in Fedml-Ai Fedml
CVE-2026-5536
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.004 (30.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Fedml-ai Fedml — versions 0.8.0, 0.8.1, 0.8.2
- Tensoropera Fedml
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (issue-tracking, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-5536?
- CVE-2026-5536 is a high-severity vulnerability in Fedml-Ai Fedml, classified under Improper Input Validation. CVSS score: 7.3/10. Published 2026-04-05.
- How severe is CVE-2026-5536?
- High severity. CVSS v3 base score is 7.3 out of 10.