CVE-2025-66645 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Vendors	Products
Nicegui	Nicegui

No data.

No data.

References

Link	Providers
https://github.com/zauberzeug/nicegui/commit/a1b89e2a24e1911a40389ace2153a37f4eea92a9
https://github.com/zauberzeug/nicegui/security/advisories/GHSA-hxp3-63hc-5366

History

Wed, 10 Dec 2025 18:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Nicegui Nicegui nicegui
Vendors & Products		Nicegui Nicegui nicegui

Wed, 10 Dec 2025 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 09 Dec 2025 21:45:00 +0000

Type	Values Removed	Values Added
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.
Title		NiceGUI Path Traversal Vulnerability in app.add_media_files() Allows Arbitrary File Reading
Weaknesses		CWE-22
References		https://github.com/zauberzeug/nicegui/commit/a1b89e2a24e1911a40389ace2153a37f4eea92a9 https://github.com/zauberzeug/nicegui/security/advisories/GHSA-hxp3-63hc-5366
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-12-09T21:41:32.049Z

Updated: 2025-12-10T16:50:41.291Z

Reserved: 2025-12-05T20:23:19.595Z

Link: CVE-2025-66645

Vulnrichment

Updated: 2025-12-10T16:14:23.568Z

NVD

Status : Received

Published: 2025-12-09T22:16:15.930

Modified: 2025-12-10T17:15:55.563

Link: CVE-2025-66645

Redhat

No data.

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