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CVE-2026-5535— FedML-AI FedML MQTT Message FileUtils.java path traversal

Quick assessment

Affected
FedML-AI FedML
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FEDML是TensorOpera开源的一个统一且可扩展的机器学习训练与部署库。 FEDML 0.8.9及之前版本存在路径遍历漏洞，该漏洞源于对参数dataSet的错误操作，可能导致路径遍历。

CVSS 4.3 · Medium EPSS 0.70% · P52
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I. Basic Information for CVE-2026-5535

Vulnerability Information
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Vulnerability Title
FedML-AI FedML MQTT Message FileUtils.java path traversal
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
FEDML 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FEDML是TensorOpera开源的一个统一且可扩展的机器学习训练与部署库。 FEDML 0.8.9及之前版本存在路径遍历漏洞，该漏洞源于对参数dataSet的错误操作，可能导致路径遍历。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
FedML-AI FedML 0.8.0 -

II. Public POCs for CVE-2026-5535

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III. Intelligence Information for CVE-2026-5535

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Other References for CVE-2026-5535 (1)

IV. Related Vulnerabilities

Same product: FedML
Same vendor: FedML-AI
Same weakness: CWE-22

V. Comments for CVE-2026-5535

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