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CRITICAL9.1

GHSA-869c-j7wc-8jqv

Gin mishandles a wildcard at the end of an origin string

Quick fix

GHSA-869c-j7wc-8jqv — github.com/gin-gonic/gin: upgrade to the fixed version with the command below.

go get github.com/gin-gonic/gin@v1.6.0

Details

parseWildcardRules in Gin-Gonic CORS middleware before 1.6.0 mishandles a wildcard at the end of an origin string, e.g., https://example.community/* is allowed when the intention is that only https://example.com/* should be allowed, and http://localhost.example.com/* is allowed when the intention is that only http://localhost/* should be allowed.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/gin-gonic/gin
Introduced in: 0Fixed in: 1.6.0
Fixgo get github.com/gin-gonic/gin@v1.6.0
Go/github.com/gin-contrib/cors
Introduced in: 0Fixed in: 1.6.0
Fixgo get github.com/gin-contrib/cors@v1.6.0

References