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.
References (2)
Core 2
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/zauberzeug/nicegui/security/advisories/GHSA-hxp3-63hc-5366
Scores
CVSS v3
7.5
EPSS
0.0111
EPSS Percentile
78.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (2)
pypi/nicegui
0 - 3.4.0PyPI
zauberzeug/nicegui
< 3.4.0
Published
Dec 09, 2025
Tracked Since
Feb 18, 2026