CVE-2025-47910
CrossOriginProtection insecure bypass patterns not limited to exact matches in net/http
Published: Sep 22, 2025Updated: Sep 24, 2025 Sources: CVE List NVD BDU
5.4CVSSMEDIUM
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 Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:LConfidentialityLow
I:LIntegrityLow
A:NAvailabilityNone
Affected Products
go standard libraryoss-projectUSOSS Librariesaka golang standard library, net/http, crypto/x509, html/template
Exploitability
Official Patch Available
References
https://go.dev/cl/699275
go.dev
https://go.dev/issue/75054
go.dev
https://groups.google.com/g/golang-announce/c/PtW9VW21NPs/m/DJhMQ-m5AQAJ
groups.google.com
and 3 more references View all →
Timeline
Published
Sep 22, 2025
Last Updated
Sep 24, 2025
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