CVE-2025-21618

HIGH

NiceGUI < 2.9.1 - Improper Authentication

Title source: llm
STIX 2.1

Description

NiceGUI is an easy-to-use, Python-based UI framework. Prior to 2.9.1, authenticating with NiceGUI logged in the user for all browsers, including browsers in incognito mode. This vulnerability is fixed in 2.9.1.

Scores

CVSS v3 7.5
EPSS 0.0017
EPSS Percentile 38.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-287
Status published
Products (2)
pypi/nicegui 0 - 2.9.1PyPI
zauberzeug/nicegui < 2.9.1
Published Jan 06, 2025
Tracked Since Feb 18, 2026