CVE-2025-66557
BaseFortify
Publication date: 2025-12-05
Last updated on: 2025-12-09
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| nextcloud | deck | From 1.14.0 (inc) to 1.14.6 (exc) |
| nextcloud | deck | From 1.15.0 (inc) to 1.15.2 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-284 | The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. |
| CWE-NVD-CWE-noinfo |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in Nextcloud Deck, a kanban style organization tool, is due to a bug in the permission logic prior to versions 1.14.6 and 1.15.2. It allowed users who had the "Can share" permission to modify the permissions of other recipients, which they should not have been able to do. This issue has been fixed in versions 1.14.6 and 1.15.2.
How can this vulnerability impact me? :
The vulnerability can impact you by allowing users with "Can share" permission to escalate their privileges by changing the permissions of other users. This could lead to unauthorized modification of access rights, potentially resulting in unauthorized actions or data manipulation within the Nextcloud Deck environment.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update Nextcloud Deck to version 1.14.6 or 1.15.2 or later, as these versions contain the fix for the permission logic bug.