Feed/CVE-2026-38991
CVE-2026-38991HIGHCVSS 8.8

CVE-2026-38991

Published Apr 29, 2026·Updated Jun 17, 2026

NVD 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 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

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