net-http up to 1.25.0 on Go Request Path AddInsecureBypassPattern access control

Summaryinfo

A vulnerability categorized as critical has been discovered in net-http up to 1.25.0 on Go. This vulnerability affects the function AddInsecureBypassPattern of the component Request Path Handler. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2025-47910. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in net-http up to 1.25.0 on Go. It has been rated as critical. Affected by this issue is the function AddInsecureBypassPattern of the component Request Path Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

This vulnerability is handled as CVE-2025-47910 since 05/14/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 265993 (Fedora 44 : containernetworking-plugins (2025-dd17908bcd)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.25.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (265993). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• net-http

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25.0

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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