Deserialization in Fedml-Ai Fedml
CVE-2026-90614
A weakness has been identified in FedML-AI FedML up to 0.9.6. Affected by this issue is the function S3Storage.read_model of the file fedml/core/distributed/communication/s3/remote_storage.py of the component MQTT+S3 Communication Backend. This manipulation of the argument s3_key_str causes deserialization. Remote exploitation of the attack is possible. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (37.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.2% 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: 0.004 · change: 0.000
Affected products
- Fedml-Ai Fedml — versions 0.9.0, 0.9.1, 0.9.2
Weakness classification (CWE)
References
- github.com/FedML-AI/FedML/ (product)
- github.com/FedML-AI/FedML/issues/2267 (issue-tracking)
- vuldb.com/cve/CVE-2026-90614 (third-party-advisory)
- vuldb.com/submit/914219 (third-party-advisory)
- vuldb.com/vuln/403196 (technical-description, vdb-entry)
- vuldb.com/vuln/403196/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-90614?
- CVE-2026-90614 is a medium-severity vulnerability in Fedml-Ai Fedml, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2026-09-14.
- How severe is CVE-2026-90614?
- Medium severity. CVSS v3 base score is 6.3 out of 10.