CVE-2025-66557Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.3 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Weakness (CWE)
- CWE-284
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Sep 25, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
nextcloud deck nextcloud:deck | from 1.14.0 before 1.14.6; from 1.15.0 before 1.15.2 | NVD |
References
- https://github.com/nextcloud/deck/commit/f1da8b30a455f02373d44154da04494c949a95aepatch
- https://github.com/nextcloud/deck/pull/7131issue-tracking, patch
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wwr8-hx9g-rjvvpatch, vendor-advisory
- https://hackerone.com/reports/3247499issue-tracking, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.