CVE-2025-47910

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

22/09/2025

Last modified:

24/09/2025

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

5.40

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

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