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CWE

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CVE-2025-66515

Published: Dec 5, 2025

Modified: Dec 5, 2025

PUBLISHED

CVSS v3.1

2.7

LOW

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.

Vendor	Product	Versions
nextcloud	security-advisories	affected `>= 2.0.0, < 2.5.0` affected `< 1.3.1`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q26g-fmjq-x5g5

x_refsource_CONFIRM

https://github.com/nextcloud/approval/pull/334

x_refsource_MISC

https://github.com/nextcloud/approval/commit/e30b56b7832255311ac800b7875f44866e88fff4

x_refsource_MISC

https://hackerone.com/reports/3338748

x_refsource_MISC

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