Critical vulnerabilities found in Thelia 2.6.0 and 2.6.1 enable remote code execution

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The CERT/CC published an advisory on October 12, 2026, detailing multiple critical vulnerabilities in Thelia versions 2.6.0 and 2.6.1. These vulnerabilities allow attackers with administrative or limited privileges to execute remote code on web servers through various methods including file uploads, Smarty template manipulation, and translation editing. The affected components include document updates, banner uploads, email templates, module installation, and the Smarty template engine. No official vendor patch is currently available for these security flaws, leaving systems exposed to potential compromise.

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