CVE-2026-57855
CVE-2026-57855
Cockpit CMS contains a missing authorization vulnerability in the Bucket file storage API (/system/buckets/api). The api() method in modules/System/Controller/Buckets.php executes bucket commands (ls, upload, removefiles, rename, createfol…
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Weakness classification (CWE)
References
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-57855?
- CVE-2026-57855 is a high-severity vulnerability, classified under Improper Access Control. CVSS score: 8.8/10. Published 2026-07-13.
- How severe is CVE-2026-57855?
- High severity. CVSS v3 base score is 8.8 out of 10.