critical9.1
CVE-2019-25211
Gin mishandles a wildcard at the end of an origin string
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/gin-gonic/gin | < 1.6.0 | 1.6.0 |
| go | github.com/gin-contrib/cors | < 1.6.0 | 1.6.0 |
Affected products
| Product | Affected versions |
|---|---|
| Gin-Gonic CORS Middleware | before 1.6.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- 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/pull/106
- https://github.com/gin-contrib/cors/pull/57
- 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
- https://nvd.nist.gov/vuln/detail/CVE-2019-25211