GO-2025-3955

vendorUSosv

CrossOriginProtection insecure bypass patterns not limited to exact matches in net/http

view advisory published 2025-09-22Licence: per source

When using http.CrossOriginProtection, the AddInsecureBypassPattern method can unexpectedly bypass more requests than intended. CrossOriginProtection then skips validation, but forwards the original request path, which may be served by a different handler without the intended security protections.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2025-47910US——
When using http.CrossOriginProtection, the AddInsecureBypassPattern method can unexpectedly bypass more requests than intended. CrossOriginProtection then skips validation, but for…
02

references

External citations — patches, advisories, analysis.

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