CVE-2026-38991
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 fil…
Published: 2026-04-29 · CVSS: 8.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7