CVE-2026-90614 Details
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.
A deserialization vulnerability has been identified in the FedML-AI FedML library, specifically in versions up to 0.9.6. The issue arises in the MQTT+S3 Communication Backend, within the S3Storage.read_model function of remote_storage.py. The vulnerability allows for remote exploitation by manipulating the s3_key_str argument, leading to unauthorized deserialization of data.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 14, 2026CISA-ADP
Assessed Sep 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/FedML-AI/FedML/ | [email protected] | Vendor |
| https://github.com/FedML-AI/FedML/issues/2267 | [email protected] | Issue TrackingTechnical DescriptionVendor |
| https://vuldb.com/cve/CVE-2026-90614 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/914219 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/403196 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/403196/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-20 | Improper Input Validation | [email protected] |
| CWE-502 | Deserialization of Untrusted Data | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| FedML-AI FedML | <= 0.9.6 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 14, 2026 | CVE Modified | CISA-ADP |
| Sep 14, 2026 | New CVE Received | [email protected] |