CVE-2025-47794

Description

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.

Reserved 2025-05-09 | Published 2025-05-16 | Updated 2025-05-16 | Assigner GitHub_M

Problem types

CWE-284: Improper Access Control

Product status

>= 26.0.0, < 26.0.13.13
affected

>= 27.0.0, < 27.1.11.13
affected

>= 28.0.0, < 28.0.14.4
affected

>= 29.0.0, < 29.0.13
affected

>= 30.0.0, < 30.0.7
affected

>= 31.0.0, < 31.0.1
affected

References

github.com/...sories/security/advisories/GHSA-q568-2933-gcjq

github.com/nextcloud/server/pull/51194

hackerone.com/reports/1960647

cve.org (CVE-2025-47794)

nvd.nist.gov (CVE-2025-47794)

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