CVE-2026-90614

FedML-AI FedML MQTT+S3 Communication Backend remote_storage.py S3Storage.read_model deserialization

MEDIUM
6.3
CVSS Score
Published: September 14, 2026 at 01:45 AM UTC
Updated: September 14, 2026 at 09:14 PM UTC
1 product affected across 1 vendorFedML

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403196
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403196/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90614
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/914219
Issue Tracking
Source: cverecord
https://github.com/FedML-AI/FedML/issues/2267
Product
Source: cverecord
https://github.com/FedML-AI/FedML/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-502CWE-20

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