CVE Catalog

CVE-2025-66515

LowCVSS 2.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.31%

23th percentile - higher than 23% of all known CVEs

Summary

The Nextcloud Approval app allows approval or disapproval of files in the sidebar. Prior to 1.3.1 and 2.5.0, an authenticated user listed as a requester in a workflow can set another user's file into "pending approval" without access to the file by using the numeric file id.

Risk Assessment

An attacker could improperly change the approval state of other users' files, disrupting approval workflows and compromising data integrity.

Recommendation

Update the Nextcloud Approval app to version 1.3.1 or 2.5.0 (or later).

Related vulnerabilities

Original NVD description (English source)

The Nextcloud Approval app allows approval or disapproval of files in the sidebar. Prior to 1.3.1 and 2.5.0, an authenticated user listed as a requester in a workflow can set another user’s file into the “pending approval” without access to the file by using the numeric file id. This vulnerability is fixed in 1.3.1 and 2.5.0.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS