CVE-2026-82450 BookStack before 26.05.4 Remote Code Execution via Book Cover

BookStack before 26.05.4 contains a remote code execution vulnerability in the portable ZIP import functionality that allows users with Import Content and Create Books permissions to upload a PHP polyglot file as a book cover. Attackers can bypass image extension validation by embedding a PHP fil...

PT-2026-83429

Name of the Vulnerable Software and Affected Versions BookStack versions prior to 26.05.4 Description An authenticated remote code execution issue exists in the portable ZIP import functionality. Users possessing both Import Content and Create Books permissions can upload a PHP-image polyglot...

CVE-2026-48062

Summary: CodeIgniter versions before 4.7.3 are affected by a validation bypass in the ext_in upload rule. The rule checks the MIME-derived guessed extension instead of the client-provided filename extension, allowing a file like shell.php (with GIF-like content) to pass validation when the upload...

PT-2026-51235

Name of the Vulnerable Software and Affected Versions Craft CMS versions 4.0.0-RC1 and later Description An authenticated path traversal flaw exists in the 'assets/icon' endpoint. The issue occurs because the extension parameter is not validated before the system performs file existence checks. A...

Google Chrome Security Bypass Vulnerability (CNVD-2017-09205)

Google Chrome is a web browser developed by the American company Google Google. A security bypass vulnerability exists in versions of Google Chrome prior to 59.0.3071.86. An attacker can exploit the vulnerability to bypass extension validation...