CVE-2026-45275

CVE-2026-45275 affects Nextcloud with the Approval app prior to version 2.7.2. A privilege-escalation flaw allows a user who lacks sharing permissions to trigger the system to share a file with approvers, resulting in an authorization bypass and potential unauthorized distribution of restricted f...

CVE-2026-45277

Nextcloud (Approval app) suffers information disclosure via the fileId parameter: authenticated users can determine whether arbitrary files are linked to specific approval workflows. Root cause appears to be insufficient access controls exposing workflow associations. The issue is confirmed resol...

CVE-2025-66515

The CVE describes an authorization flaw in the Nextcloud Approval app where an authenticated user listed as a workflow requester can place another user’s file into the “pending approval” state using the file’s numeric id, without having access to the file. This affects versions prior to 1.3.1 and...