High 8.8Published Jul 13, 2026

CVE-2026-57855Cockpit CMS Missing Authorization in Bucket File Storage API

Updated under an hour ago (Oct 28, 2026, 5:40 PM ET)

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It affects Cockpit HQ Cockpit CMS. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Cockpit HQ Cockpit CMS

Exploited in the last 30 days

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, createfolder) without performing any ACL or role check. Any authenticated user, regardless of role, can perform all bucket operations on any named bucket, including buckets intended for admin use only.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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: VulnCheck
NVD analysis: Deferred
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Cockpit HQ Cockpit CMS cockpit_hq:cockpit_cms (from the name)	before 2.14.0	CNA record

References

References

https://github.com/cockpit-hq/cockpit	product
https://github.com/Cockpit-HQ/Cockpit/commit/dde2d1d74f5f4e11de42a298918ea8c9684f932c	patch
https://gist.github.com/sermikr0/821c4edd3c34e98a62a50b07707785bd	technical-description
https://www.vulncheck.com/advisories/cockpit-cms-missing-authorization-in-bucket-file-storage-api	third-party-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.