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Description

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.

PUBLISHED Reserved 2026-04-04 | Published 2026-04-05 | Updated 2026-04-06 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
4.0AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

Path Traversal

Product status

0.8.0
affected

0.8.1
affected

0.8.2
affected

0.8.3
affected

0.8.4
affected

0.8.5
affected

0.8.6
affected

0.8.7
affected

0.8.8
affected

0.8.9
affected

Timeline

2026-04-04:Advisory disclosed
2026-04-04:VulDB entry created
2026-04-04:VulDB entry last update

Credits

Ana10gy (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/355288 (VDB-355288 | FedML-AI FedML MQTT Message FileUtils.java path traversal) vdb-entry technical-description

vuldb.com/vuln/355288/cti (VDB-355288 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/782200 (Submit #782200 | FedML-AI FedML <=0.8.9 Path Traversal) third-party-advisory

github.com/AnalogyC0de/public_exp/issues/25 exploit issue-tracking

cve.org (CVE-2026-5535)

nvd.nist.gov (CVE-2026-5535)

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