CVE-2024-32005: Local File Inclusion in NiceGUI leaflet component

Severity: high (CVSS 8.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-12 · updated 2026-06-17
Weakness: CWE-22

Description

NiceGUI is an easy-to-use, Python-based UI framework. A local file inclusion is present in the NiceUI leaflet component when requesting resource files under the `/_nicegui/{__version__}/resources/{key}/{path:path}` route. As a result any file on the backend filesystem which the web server has access to can be read by an attacker with access to the NiceUI leaflet website. This vulnerability has been addressed in version 1.4.21. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

zauberzeug nicegui: from 1.4.6 before 1.4.21 — fixed in 1.4.21

How to fix

Upgrade to a fixed version: zauberzeug nicegui 1.4.21. Check the vendor advisory for mitigations.

References

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