CVE-2026-120315
LobeHub Chat 1.84.26 before 2.1.49 Path Traversal RCE via writeTempFile
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
LobeHub Chat from 1.84.26 before 2.1.49 contains a path traversal vulnerability that allows authenticated users to write arbitrary files by supplying unsanitized file names to writeTempFile(). Attackers can create a file record via file.createFile with a traversal name, then trigger document parsing to overwrite application files like startServer.js for code execution or denial of service.
| CWE | CWE-22 |
| Vendor | lobehub |
| Product | chat |
| Published | Nov 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
lobehub / chat
1.84.26 < 2.1.49
References
Credits
🔍 Sn1r