Introduction: Last week, a critical security vulnerability, identified as CVE-2023-37896, surfaced within the Nuclei project – a potent vulnerability scanner renowned for pinpointing security weaknesses. In this comprehensive blog post, we delve into the intricacies of this vulnerability, discuss its potential implications, and outline the steps users must take to safeguard their systems. Understanding the Vulnerability: The vulnerability, formally designated as CVE-2023-37896, casts a shadow over Nuclei versions predating 2.9.9.