Highlights
Expression Language Injection: 1 prior fix. Scrutinize any change in this area.
ELParser.jjt: most-fixed (1 issue). Treat as high-risk during review.
1 high-severity fix in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Expression Language Injection: Defects in the token manager can allow invalid EL expressions or escaped delimiters to bypass parser restrictions, leading to arbitrary Expression Language Injection and remote code execution during value evaluation.