A SQL injection bypass (aka PL1 bypass) exists in OWASP ModSecurity Core Rule Set (owasp-modsecurity-crs) through v3.1.0-rc3 via {`a`b} where a is a special function name (such as "if") and b is the SQL statement to be executed.
https://lists.debian.org/debian-lts-announce/2023/01/msg00033.html
https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1167