PT-2026-50408 · Château · Château

Denver Jackson · CVE-2026-40757 · Published 2026-06-17 · Updated 2026-06-17

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Château versions prior to 1.2.2

Description Unauthenticated PHP Object Injection occurs in the software. PHP Object Injection is a vulnerability that allows an attacker to inject malicious objects into a PHP application, which can lead to unauthorized code execution or other security breaches.

Recommendations Update to a version newer than 1.2.1.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-40757

Affected Products

Château

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-40757 · Security Note
• https://patchstack.com/database/wordpress/theme/chateau/vulnerability/wordpress-chateau-theme-1-2-1-php-object-injection-vulnerability?_s_id=cve · Note
• https://t.me/CVEtracker/57107 · Telegram Post