NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-45279
Summary

Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before 31.0.14, and 32.0.0 to before 32.0.4, if {lang} is used in the template directory config value, non-admin users can in some cases copy arbitrary files (depending on unix permissions) into their own Nextcloud directory via a path traversal. It is recommended that the Nextcloud Server is upgraded to 32.0.4, 31.0.14. It is recommended that the Nextcloud Enterprise Server is upgraded to 32.0.4, 31.0.14, 30.0.17.7, 29.0.17.12, 28.0.14.15

Publication Date June 2, 2026, 4:16 a.m.
Registration Date June 3, 2026, 4:14 a.m.
Last Update June 4, 2026, 2:15 a.m.
CVSS3.1 : MEDIUM
スコア 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR)
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C)
完全性への影響(I) なし
可用性への影響(A) なし
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* 31.0.0 31.0.14
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* 32.0.0 32.0.4
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 28.0.0 28.0.14.15
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 29.0.0 29.0.17.12
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 30.0.0 30.0.17.7
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 31.0.0 31.0.14
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 32.0.0 32.0.4
Related information, measures and tools
Common Vulnerabilities List