CVE-2026-61511

Affected software: vBulletin 5.x (up to 5.7.5) and 6.x (up to 6.2.1).Vulnerability: eval injection in vB5_Template_Runtime::runMaths() within template runtime, allowing unauthenticated remote PHP code execution via crafted input in pagenav[pagenumber].Cause: insufficiently restrictive regex filte...