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VULNERABILITIES

CVE-2025-66515 Details

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.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:2.7 LOWVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/nextcloud/approval/commit/e30b56b7832255311ac800b7875f44866e88fff4 [email protected]Patch
https://github.com/nextcloud/approval/pull/334 [email protected]Issue Tracking
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q26g-fmjq-x5g5 [email protected]PatchVendor Advisory
https://hackerone.com/reports/3338748 [email protected]Issue TrackingVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-287Improper Authentication[email protected]

Affected Products

ProductVersions
nextcloud approval
>= 1.0.0, < 1.3.1
>= 2.0.0, < 2.5.0

CPE

  • cpe:2.3:a:nextcloud:approval:*:*:*:*:*:nextcloud:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2025-66515
NVD Published Date:
Dec 5, 2025
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2025-66515 Details - Not Deferred