← Back to CVE search

CVE-2026-38991

Cockpit

Description

Cockpit 2.13.5 and earlier is affected by a misconfiguration within the Bucket component _isFileTypeAllowed function where a specially crafted filename bypasses an extension filter. This allows an authenticated attacker to rename arbitrary files with the .php file extension enabling arbitrary code to be executed on the underlying server.

CVSS 8.8EPSS 0.375%Risk 0.91
View source
Published
2026-04-29 16:16:23
Affected versions
<=2.13.5
Type
Core software
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H