Description

Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.14.6 and 1.15.2, a bug in the permission logic allowed users with "Can share" permission to modify the permissions of other recipients. This vulnerability is fixed in 1.14.6 and 1.15.2.

INFO

Published Date :

2025-12-05T17:28:48.642Z

Last Modified :

2025-12-08T20:12:45.372Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2025-66557 vulnerability.

Vendors Products
Nextcloud
  • Deck
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-66557.

URL Resource
https://github.com/nextcloud/deck/commit/f1da8b30a455f02373d44154da04494c949a95ae cve-icon cve-icon
https://github.com/nextcloud/deck/pull/7131 cve-icon cve-icon
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wwr8-hx9g-rjvv cve-icon cve-icon
https://hackerone.com/reports/3247499 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
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Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact