CVE-2025-66515
Last modified
CVE-2025-66515 is a low-severity vulnerability rated 2.7/10 on the CVSS scale. The Nextcloud Approval app allows approval or disapproval of files in the sidebar. Prior to 1.3.1 and 2.5.0, an authenticated user listed as a requester in a workflow can set another user’s file into the “pending approval” without access to the file by using the numeric file id. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
The Nextcloud Approval app allows approval or disapproval of files in the sidebar. Prior to 1.3.1 and 2.5.0, an authenticated user listed as a requester in a workflow can set another user’s file into the “pending approval” without access to the file by using the numeric file id. This vulnerability is fixed in 1.3.1 and 2.5.0.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Approval | >= 1.0.0, < 1.3.1 |
| Nextcloud | Approval | >= 2.0.0, < 2.5.0 |
References
- https://github.com/nextcloud/approval/pull/334Issue Tracking
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q26g-fmjq-x5g5Patch, Vendor Advisory
- https://hackerone.com/reports/3338748Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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