CVE-2019-25211: Gin mishandles a wildcard at the end of an origin string
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.
Published Jun 29, 2024 · Updated Nov 3, 2025
Affected packages
github.com/gin-gonic/gin
- Ecosystem
- Go
- Affected
- < 1.6.0
- Fixed in
- 1.6.0
- Check
go list -m github.com/gin-gonic/gin
github.com/gin-contrib/cors
- Ecosystem
- Go
- Affected
- < 1.6.0
- Fixed in
- 1.6.0
- Check
go list -m github.com/gin-contrib/cors
Advisory details
From the GitHub Advisory Database (CC BY 4.0).
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.
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-25211
- https://github.com/gin-contrib/cors/pull/106
- https://github.com/gin-contrib/cors/pull/57
- https://github.com/gin-contrib/cors/commit/27b723a473efd80d5a498fa9f5933c80204c850d
- https://github.com/gin-contrib/cors/compare/v1.5.0...v1.6.0
- https://github.com/gin-contrib/cors/releases/tag/v1.6.0
- https://lists.debian.org/debian-lts-announce/2025/08/msg00024.html
- https://github.com/advisories/GHSA-869c-j7wc-8jqv
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology