CVE-2025-21618
NiceGUI On Air authentication issue
7.5
HIGH
CVSS 3.1
EPSS 0.17%
Description
### Summary Once a user logins to one browser, all other browsers are logged in without entering password. Even incognito mode. ### Impact high
How to fix CVE-2025-21618
To remediate CVE-2025-21618, upgrade the affected package to a fixed version below.
- PyPI/nicegui—upgrade to 2.9.1 or later
Is CVE-2025-21618 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.9.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |