ALT-PU-2025-16888-2

Package update nextcloud in branch sisyphus

Version31.0.1-alt1

Published2026-03-20

Max severityMEDIUM

Severity:

Closed issues (3)

MEDIUM4.3

Уязвимость облачного программного обеспечения для создания и использования хранилища данных Nextcloud Server и Nextcloud Enterprise Server, связанная с ошибками в настройках безопасности, позволяющая нарушителю оказать воздействие на доступность защищаемой информации

Published: 2026-03-19

CVSS 3.xMEDIUM 4.3

CVSS:3.x/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS 2.0MEDIUM 4.0

CVSS:2.0/AV:N/AC:L/Au:S/C:N/I:N/A:P

References

CVE-2025-66552

MEDIUM4.3

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server prior to 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1, an attacker on a multi-user system may read temporary files from Nextcloud running with a different user account, or run a symlink attack. Nextcloud Server versions 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1 fix the issue. No known workarounds are available.

Published: 2025-05-16Modified: 2025-09-30

CVSS 3.xMEDIUM 4.3

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References

MEDIUM4.3

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.

Published: 2025-12-05Modified: 2025-12-10

CVSS 3.xMEDIUM 4.3

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References