CVE-2025-66552: nextcloud server

csirt@kutim:~/threat-intel/cve/CVE-2025-66552

CVSS 4.3 · Medium EPSS 0,31%

Kerentanan Insufficient Logging pada nextcloud server. Skor CVSS 3.1 4.3 (Medium) menurut NVD.

Deskripsi (NVD)

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Enterprise Server prior to 30.0.9 and 31.0.1, incorrect path handling with groupfolders caused the admin_audit app to not properly log all actions on files and folders inside groupfolders. This vulnerability is fixed in Nextcloud Server and Enterprise Server prior to 30.0.9 and 31.0.1.

Rincian

Terbit di NVD: 5 Desember 2025
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 4.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-778: Insufficient Logging
EPSS (30 hari): 0,31% peluang dieksploitasi; lebih tinggi dari 22,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
nextcloud	nextcloud server	Versi 30.0.0 hingga sebelum 30.0.9
nextcloud	nextcloud server	Versi 31.0.0 hingga sebelum 31.0.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-ww9m-f8j4-jj9x patch · advisory vendor
https://hackerone.com/reports/2890071 issue tracking · advisory vendor
https://github.com/nextcloud/server/commit/7cc005c43c72bc384848cf8cb851895827c412f6 patch
https://github.com/nextcloud/server/pull/50992 issue tracking

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.