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-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...

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...