CVE-2026-43899 DeepChat: Incomplete Fix for CVE-2025-55733 leads to Remote Code Execution via Markdown Links bypassing `isValidExternalUrl`

DeepChat is an open-source artificial intelligence agent platform that unifies models, tools, and agents. Prior to v1.0.4-beta.1, An incomplete mitigation for CVE-2025-55733 leaves DeepChat vulnerable to an arbitrary protocol execution bypass RCE. While the patch correctly restricted...

Hardcoded credentials

Apple Safari before 4.0.5 on Windows does not properly validate external URL schemes, which allows remote attackers to open local files and execute arbitrary code via a crafted HTML document...