CVE-2025-66645

7.5 HIGH
Published: December 09, 2025 Modified: December 19, 2025

Description

NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are vulnerable to directory traversal through the App.add_media_files() function, which allows a remote attacker to read arbitrary files on the server filesystem. This issue is fixed in version 3.4.0.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/zauberzeug/nicegui/security/advisories/GHSA-hxp3-63hc-5366
Source: security-advisories@github.com
Exploit Vendor Advisory
https://github.com/zauberzeug/nicegui/security/advisories/GHSA-hxp3-63hc-5366
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Vendor Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.9%
76th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

zauberzeug