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TI-2026-04846 Aliases CVE-2026-5535GHSA-x5gq-6962-7gv9

FedML-AI FedML MQTT Message FileUtils.java path traversal

Priority MEDIUM 57CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00537 45th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FedML-AIFedML0.8.0; 0.8.1; 0.8.2; 0.8.3; 0.8.4; 0.8.5; 0.8.6; 0.8.7; 0.8.8; 0.8.9—No fix listedCNA
  • FedML VendorFedML-AI Affected 0.8.0; 0.8.1; 0.8.2; 0.8.3; 0.8.4; 0.8.5; 0.8.6; 0.8.7; 0.8.8; 0.8.9 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tensoropera:fedml:*:*:*:*:*:*:*:*before 0.8.9VulnerableTensoropera
  • cpe:2.3:a:tensoropera:fedml:*:*:*:*:*:*:*:* Versions before 0.8.9 Vulnerable ·Tensoropera

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-5535
  2. 2026-10-03 Alias added: GHSA-x5gq-6962-7gv9
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Exploit 1

  • TI-2026-61620 FedML-AI FedML MQTT+S3 Communication Backend remote_storage.py S3Storage.read_model deserialization CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences