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
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
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