The field of software security and vulnerability detection is rapidly evolving, with a focus on developing innovative techniques to identify and mitigate potential threats. Recent research has explored the use of graph-based reasoning, hybrid network models, and large language models (LLMs) to improve the accuracy and efficiency of vulnerability detection. These approaches have shown promising results, with some studies achieving significant improvements in detection rates and reduced false positives. The use of LLMs, in particular, has emerged as a key area of research, with applications in code generation, code review, and vulnerability detection. Noteworthy papers in this area include Hound, which introduces a relation-first graph engine for complex-system reasoning in security audits, and GRASP, which explores a new direction in fortifying LLM-based code generation with graph-based reasoning on secure coding practices. Additionally, papers such as Lexo and TITAN have demonstrated the potential of LLMs in eliminating stealthy supply-chain attacks and graph-executable reasoning for cyber threat intelligence, respectively.