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Vulnerability record · CVE-2026-10595 · published 9 August 2026

CVE-2026-10595: Relative path traversal vulnerability

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.

7.5 CVSS 3.0 High EPSS 0.74% · top 47.4% CWE-23 · Relative path traversal Awaiting Analysis
7.5CVSS 3.0 base score
0.74%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
3 Sep 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

LinkTags
https://github.com/parisneo/lollms/commit/9bc6431ae7b708da76d51e7626a7cf48ff2b1d24
https://huntr.com/bounties/af3f40a3-38a1-49d8-a5ae-3d72b9b05b98
https://huntr.com/bounties/af3f40a3-38a1-49d8-a5ae-3d72b9b05b98

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Source: NIST National Vulnerability Database (record CVE-2026-10595), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.