This affects all versions of package github.com/gin-gonic/gin. When gin is exposed directly to the internet, a client's IP can be spoofed by setting the X-Forwarded-For header.
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGINGONICGIN-1041736
https://github.com/gin-gonic/gin/pull/2474%23issuecomment-729696437