CVE-2025-66557
- Source
- https://cve.org/CVERecord?id=CVE-2025-66557
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-66557.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-66557
- Aliases
-
- GHSA-wwr8-hx9g-rjvv
- Published
- 2025-12-05T17:28:48Z
- Modified
- 2026-10-21T02:30:17Z
- Severity
-
- 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L CVSS Calculator
- Summary
- Nextcloud Deck app allowed user with "Can share" permission to modify permissions of other non-owners
- Details
-
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.
- Database specific
{ "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-284" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66557.json" }- References
-
- https://hackerone.com/reports/3247499
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66557.json
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wwr8-hx9g-rjvv
- https://nvd.nist.gov/vuln/detail/CVE-2025-66557
- https://github.com/nextcloud/deck/commit/f1da8b30a455f02373d44154da04494c949a95ae
- https://github.com/nextcloud/deck/pull/7131
Affected packages
Git / github.com/nextcloud/deck
Affected ranges
- Type
- GIT
- Repo
- https://github.com/nextcloud/deck
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "cpe": "cpe:2.3:a:nextcloud:deck:*:*:*:*:*:*:*:*", "range": [ { "introduced": "1.14.0" }, { "fixed": "1.14.6" } ], "source": "CPE_RANGE" }, { "cpe": "cpe:2.3:a:nextcloud:deck:*:*:*:*:*:*:*:*", "range": [ { "introduced": "1.15.0" }, { "fixed": "1.15.2" } ], "source": "CPE_RANGE" }, { "range": [ { "fixed": "f1da8b30a455f02373d44154da04494c949a95ae" } ], "source": "REFERENCES_COMMIT" } ] }