CVE-2025-66557 affects Nextcloud Deck versions prior to 1.14.6 and 1.15.2, where a permission logic flaw allows users with "Can share" privileges to modify the permissions of other recipients. This vulnerability is rated Medium severity (CVSS 4.3), indicating a low-complexity network attack that could lead to unauthorized permission changes, but not confidentiality or availability impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.14.0, < 1.14.6CPE matchmatch criteria | cpe:2.3:a:nextcloud:deck:*:*:*:*:*:*:*:* | ||
>= 1.15.0, < 1.15.2CPE matchmatch criteria | cpe:2.3:a:nextcloud:deck:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
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No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.