Path Traversal in Fedml-Ai Fedml
CVE-2026-5535
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (51.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.007 · change: +0.002
Affected products
- Fedml-Ai Fedml — versions 0.8.0, 0.8.1, 0.8.2
- Tensoropera Fedml
Weakness classification (CWE)
References
- vuldb.com/vuln/355288 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/355288/cti (signature, Permissions Required, permissions-required)
- vuldb.com/submit/782200 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/AnalogyC0de/public_exp/issues/25 (issue-tracking, Exploit, Third Party Advisory, exploit, Mitigation)
Frequently asked questions
- What is CVE-2026-5535?
- CVE-2026-5535 is a medium-severity vulnerability in Fedml-Ai Fedml, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-04-05.
- How severe is CVE-2026-5535?
- Medium severity. CVSS v3 base score is 4.3 out of 10.