CVE-2026-57855CWE-284broken-access-control

CVE-2026-57855

High · published July 14, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
43.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00523 · 43.6th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-07-14T03:16Z
References (5)
https://gist.github.com/sermikr0/821c4edd3c34e98a62a50b07707785bd · [email protected]https://github.com/Cockpit-HQ/Cockpit/commit/dde2d1d74f5f4e11de42a298918ea8c9684f932c · [email protected]https://github.com/cockpit-hq/cockpit · [email protected]https://www.vulncheck.com/advisories/cockpit-cms-missing-authorization-in-bucket-file-storage-api · [email protected]https://gist.github.com/sermikr0/821c4edd3c34e98a62a50b07707785bd · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 13 JUL 22:33Z
    Cockpit CMS Missing Authorization in Bucket File Storage API
    cvelistv5