CVE-2025-66515CWE-287

CVE-2025-66515

Low · published December 5, 2025

CVSS v3.1
2.7
EPSS
0%
Percentile
22.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
2.7 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00312 · 22.9th percentile
Weakness
CWE-287 · Improper Authentication
Published
2025-12-05T23:15Z
Affected products (2)
ProductVersionsFixed in
nextcloud/approval≥ 1.0.0, < 1.3.11.3.1
nextcloud/approval≥ 2.0.0, < 2.5.02.5.0
References (4)
EPSS history
Timeline
  • 05 DEC 17:37Z
    Nextcloud Approval app allows users to request approval for other users file
    cvelistv5