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@v1.6.0Details
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-contrib/cors
Introduced in:
0Fixed in: 1.6.0Fix
go get github.com/gin-contrib/cors@v1.6.0References
- https://nvd.nist.gov/vuln/detail/CVE-2019-25211[ADVISORY]
- https://github.com/gin-contrib/cors/pull/106[WEB]
- https://github.com/gin-contrib/cors/pull/57[WEB]
- https://github.com/gin-contrib/cors/commit/27b723a473efd80d5a498fa9f5933c80204c850d[WEB]
- https://github.com/gin-contrib/cors/compare/v1.5.0...v1.6.0[WEB]
- https://github.com/gin-contrib/cors/releases/tag/v1.6.0[WEB]
- https://github.com/gin-gonic/gin[PACKAGE]
- https://lists.debian.org/debian-lts-announce/2025/08/msg00024.html[WEB]