CVE-2026-5535 | FedML-AI FedML up to 0.8.9 MQTT Message FileUtils.java dataSet path traversal

VDB-355288 · CVE-2026-5535 · GCVE-100-355288 FEDML-AI FEDML UP TO 0.8.9 MQTT MESSAGE FILEUTILS.JAVA DATASET PATH TRAVERSAL HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.9 $0-$5k 1.88+ Summaryinfo A vulnerability labeled as critical has been found in FedML-AI FedML up to 0.8.9. Affected is an unknown function of the file FileUtils.java of the component MQTT Message Handler. Executing a manipulation of the argument dataSet can lead to path traversal. This vulnerability appears as CVE-2026-5535. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability has been found in FedML-AI FedML up to 0.8.9 and classified as problematic. This vulnerability affects an unknown part of the file FileUtils.java of the component MQTT Message Handler. The manipulation of the argument dataSet with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-5535. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1006. It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Artificial Intelligence Software Vendor FedML-AI Name FedML Version 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 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.3 VulDB Meta Temp Score: 3.9 VulDB Base Score: 4.3 VulDB Temp Score: 3.9 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Path traversal CWE: CWE-22 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/04/2026 Advisory disclosed 04/04/2026 +0 days VulDB entry created 04/04/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-5535 (🔒) GCVE (CVE): GCVE-0-2026-5535 GCVE (VulDB): GCVE-100-355288 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/04/2026 08:45 Changes: 04/04/2026 08:45 (58) Complete: 🔍 Submitter: Ana10gy Cache ID: 99:CD4:101 Submitinfo Accepted Submit #782200: FedML-AI FedML <=0.8.9 Path Traversal (by Ana10gy) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸