CVE-2026-45275 — Nextcloud: Authorization bypass in approval feature allows unauthorized file sharing with approvers
Nextcloud is an open source content collaboration platform. Prior to version 2.7.2, a privilege escalation vulnerability exists in the Approval app that allows a user without sh…
Published: 2026-06-01 · CVSS: 6.5 · CVSS 3.1
Nextcloud is an open source content collaboration platform. Prior to version 2.7.2, a privilege escalation vulnerability exists in the Approval app that allows a user without sharing permissions to force the system to share a file with approvers. This results in an authorization bypass and privilege escalation, allowing unauthorized distribution of restricted files. This issue has been patched in version 2.7.2.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7