CVE-2026-10595
Description
A path traversal vulnerability exists in parisneo/lollms version 2.1.0, specifically in the SPA catch-all route implemented in `backend/routers/ui.py`. The vulnerability arises from the improper handling of user-controlled path input, which is directly joined into a filesystem path without sanitization or containment checks. URL-encoded dot-dot sequences (`%2e%2e`) bypass Starlette's built-in path normalization and are resolved by Python's `pathlib`, allowing an unauthenticated attacker to read arbitrary files on the server. This issue has been resolved in version 3.
How to fix
- parisneo parisneo/lollms3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| parisneo parisneo/lollms | v < 3 | 3 |
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