CVE-2026-6249

HighCVSS 8.8/10Last modified Oct 26, 2026

Description

Vvveb CMS 1.0.8.2 contains a remote code execution vulnerability in its media upload handler that allows authenticated attackers to execute arbitrary operating system commands by uploading a PHP webshell with a .phtml extension. Attackers can bypass the extension deny-list and upload malicious files to the publicly accessible media directory, then request the file over HTTP to achieve full server compromise.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-434

Affected software

VendorProductVersions
VvvebVvveb CMS1.0.8.2

References

Timeline

Published
Apr 20, 2026
Last modified
Oct 26, 2026
NVD status
Deferred

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CVE-2026-6249: High severity, CVSS 8.8 | Vulnix