{"cve":"CVE-2025-47910","nvd":{"published":"2025-09-22T21:15:59.627","modified":"2026-10-11T20:10:00.200","status":"Deferred","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","score":5.4},"cwes":[],"references":["https://go.dev/cl/699275","https://go.dev/issue/75054","https://groups.google.com/g/golang-announce/c/PtW9VW21NPs/m/DJhMQ-m5AQAJ","https://pkg.go.dev/vuln/GO-2025-3955"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:10:08.713834912+00:00"},"epss":{"cve":"CVE-2025-47910","score":0.0033,"percentile":0.25897,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GO-2025-3955","url":"https://osv.dev/vulnerability/GO-2025-3955","summary":"CrossOriginProtection insecure bypass patterns not limited to exact matches in net/http","modified":"2026-05-15T10:59:23.378380470Z","packages":[{"ecosystem":"Go","name":"stdlib","purl":"pkg:golang/stdlib","ranges":[">=1.25.0 <1.25.1"],"fixed":["1.25.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}