# CVE-2026-90614

## Summary

- **CVE ID:** CVE-2026-90614
- **Severity:** MEDIUM
- **CVSS Score:** 6.5 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X)
- **CWE:** CWE-502, CWE-20
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## 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 Products

- FedML-AI — FedML (0.9.0)
- FedML-AI — FedML (0.9.1)
- FedML-AI — FedML (0.9.2)
- FedML-AI — FedML (0.9.3)
- FedML-AI — FedML (0.9.4)
- FedML-AI — FedML (0.9.5)
- FedML-AI — FedML (0.9.6)

## References

- [CNA](https://vuldb.com/vuln/403196)
- [CNA](https://vuldb.com/vuln/403196/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-90614)
- [CNA](https://vuldb.com/submit/914219)
- [CNA](https://github.com/FedML-AI/FedML/issues/2267)
- [CNA](https://github.com/FedML-AI/FedML/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.25%
- **EPSS Percentile:** 16.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._