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7.5
CVE-2026-10595: Parisneo Lollms 2.1.0 allows unauthorized file access
CVE-2026-10595 · published 26 days ago
Summary
An attacker can access any file on the server without permission, which could lead to sensitive information being exposed. This is a security risk because it allows unauthorized access to server files. To protect yourself, update to version 3 of Parisneo Lollms.
What to do
- Update parisneo parisneo/lollms to version 3 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| parisneo | parisneo/lollms | < 3 |
Original advisory text
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 ha...
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.
References
- https://huntr.com/bounties/af3f40a3-38a1-49d8-a5ae-3d72b9b05b98
- https://github.com/parisneo/lollms/commit/9bc6431ae7b708da76d51e7626a7cf48ff2b1d...
- https://nvd.nist.gov/vuln/detail/CVE-2026-10595 Vendor Advisory
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10595... Vendor Advisory
Severity
7.5
High
CVSS 3.0: 7.5 (MITRE)
CVSS 3.1: 7.5 (OSV)
Exploitation
EPSS <1%
Type
CWE-23Relative Path Traversal
Timeline
Published9 Aug 2026
Updated3 Sep 2026
First seen9 Aug 2026
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