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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (48.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002
Affected products
- Fedml-Ai Fedml — versions 0.8.0, 0.8.1, 0.8.2
- Tensoropera Fedml
Weakness classification (CWE)
References
- vuldb.com/vuln/355289 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/355289/cti (signature, Permissions Required, permissions-required)
- vuldb.com/submit/782201 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/AnalogyC0de/public_exp/issues/26 (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.