CVE-2025-66557

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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
2025-12-05T17:28:48.642Z
Modified
2026-07-15T01:49:17.986938661Z
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 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66557.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-284"
    ]
}
References

Affected packages

Git / github.com/nextcloud/deck

Affected ranges

Type
GIT
Repo
https://github.com/nextcloud/deck
Events
Introduced
b490633a3d240ef4a8d6b8cf7b56836d9768a5ab
Fixed
9f6d33e3374fed6bdd1704e5b551376db549acec
Introduced
4059042a9cd641399c68edd15c0bce544f774c95
Fixed
dbdfe16e9fcc22fd86f970051e93075d540d2017
Fixed
f1da8b30a455f02373d44154da04494c949a95ae
Database specific 
{
    "cpe": "cpe:2.3:a:nextcloud:deck:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "1.14.0"
        },
        {
            "fixed": "1.14.6"
        },
        {
            "introduced": "1.15.0"
        },
        {
            "fixed": "1.15.2"
        }
    ],
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

v1.*
v1.14.0
v1.14.1
v1.14.2
v1.14.3
v1.14.4
v1.14.5
v1.15.0
v1.15.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-66557.json"