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codeigniter4 CVE debriefs

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CRITICAL codeigniter4 CVE published 2026-07-17

CVE-2026-48062

CVE-2026-48062 is a critical vulnerability in CodeIgniter, a PHP full-stack web framework. The ext_in upload validation rule incorrectly checked the MIME type's extension instead of the client-provided filename extension, potentially allowing an attacker to upload a malicious PHP file as a GIF image. This vulnerability is particularly severe if applications accept user-controlled uploads, rely on ext_in t [truncated]