CVE-2026-5535

FedML-AI FedML MQTT Message FileUtils.java path traversal

A security flaw has been discovered in FedML-AI FedML up to 0.8.9. This impacts an unknown function of the file FileUtils.java of the component MQTT Message Handler. Performing a manipulation of the argument dataSet results in path traversal. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected

FedML-AI · FedML

CVSS v4.0 VULDB

2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

CVSS v3.1 VULDB

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v2.0 VULDB

4.0 MEDIUMAV:N/AC:L/Au:S/C:P/I:N/A:N

EPSS

0.70% chance of exploitation in the next 30 days, 52nd percentile

Published

2026-04-05

Updated

2026-04-06

Proof-of-concept exploits (1)

• AnalogyC0de/public_exp/issues/250★ · 2025-12-18

Security advisories

• https://vuldb.com/submit/782200
• https://vuldb.com/vuln/355288

References

• CVE Record
• NVD entry

Related

• CVE-2025-15098
• CVE-2025-15372
• CVE-2025-15632
• CVE-2026-1063
• CVE-2026-1064
• CVE-2026-1111