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

CVSS 4.0 5.3 MEDIUMCVSS 3.1 6.3 MEDIUMCVSS 3.0 6.3 MEDIUMCVSS 2.0 6.5 Check source for fixed versionsKEV status unknown

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-90614

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-90614

Published

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

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.

Source published
14 Sep 2026 01:45:10 UTC
Source modified
14 Sep 2026 15:01:55 UTC
Saved here
23 Oct 2026 15:48:27 UTC
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Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · 5.3 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

CVSS 3.1 · 6.3 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

CVSS 3.0 · 6.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R

CVSS 2.0 · 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:ND/RC:UR

ChangeIntel

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Sources read 14 Nov 12:27 UTC · 273 of 275 readable · 269 fully read · documentation 469/469 current