CVE-2026-90614

MEDIUM 6.3

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

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-502 CWE-20
Vendor	fedml-ai
Product	fedml
Published	Sep 14, 2026
Last Updated	Sep 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

FedML-AI / FedML

0.9.0 0.9.1 0.9.2 0.9.3 0.9.4 0.9.5 0.9.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 Mohammedix88 (VulDB User) VulDB CNA Team