CVE-2025-66645High· 7.5▾ MidnightPoC availableNiceGUI 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 iss…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 41.3 · likelihood 0.2 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Exploit-prediction probability, daily snapshots since Jul 31.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
1.0%
1.0% → 1.1%
Last analysed / modified upstream
1 GitHub repo
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.
nicegui < 3.4.0Upgrade past the affected range:
nicegui 3.4.0Affected packages:
nicegui < 3.4.0Patched in:
nicegui 3.4.0Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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