Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Approval | < 2.7.2 |
Related Weaknesses (CWE)
References
- https://github.com/nextcloud/approval/pull/392Issue TrackingPatch
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-v8q8-wMitigationVendor Advisory
- https://hackerone.com/reports/3593780Permissions Required
FAQ
What is CVE-2026-45275?
CVE-2026-45275 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 fo...
How severe is CVE-2026-45275?
CVE-2026-45275 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-45275?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Approval.