EUVD-2026-19017
GHSA-x5gq-6962-7gv9
Severity by source
CVSS: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
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS: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
Lifecycle Timeline
6DescriptionCVE.org
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.
AnalysisAI
Path traversal in FedML-AI FedML up to version 0.8.9 allows authenticated remote attackers to read arbitrary files via manipulation of the dataSet argument in the MQTT Message Handler (FileUtils.java component). The vulnerability has a CVSS score of 4.3 and publicly available exploit code exists; however, it requires low-privilege authentication and provides only information disclosure without modification or availability impact. …
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Vulnerability AssessmentAI
| Risk Assessment | While the CVSS score of 4.3 is moderate, the real-world risk is constrained by multiple factors. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An authenticated user with legitimate access to a FedML system (such as a researcher in a federated learning deployment) crafts a malicious MQTT message with a specially crafted dataSet parameter containing path traversal sequences (e.g., ../../../etc/passwd). This message is sent to the MQTT Message Handler, which processes the request via FileUtils.java without proper sanitization. … |
| Remediation | Organizations should upgrade FedML to a version later than 0.8.9 if available; however, specific patched version numbers are not confirmed in the vendor advisory data. … Detailed patch versions, workarounds, and compensating controls in full report. |
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