CVE-2026-45275
Last modified
CVE-2026-45275 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Approval | < 2.7.2 |
References
- https://github.com/nextcloud/approval/pull/392Issue Tracking, Patch
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-v8q8-w6c3-3gv9Mitigation, Vendor Advisory
- https://hackerone.com/reports/3593780Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-45275?
How severe is CVE-2026-45275?
How do I fix CVE-2026-45275?
Are you affected by CVE-2026-45275?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST