HTTP Request Smuggling Affecting std/net/http/internal package, versions <1.23.8>=1.24.0-0 <1.24.2


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (39th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-GOLANG-STDNETHTTPINTERNAL-14548500
  • published6 Jan 2026
  • disclosed8 Apr 2025
  • creditJeppe Bonde Weikop

Introduced: 8 Apr 2025

CVE-2025-22871  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

Upgrade std/net/http/internal to version 1.23.8, 1.24.2 or higher.

Overview

std/net/http/internal is a Go standard library package std/net/http/internal

Affected versions of this package are vulnerable to HTTP Request Smuggling.

Go Vulnerability Report:
The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.

CVSS Base Scores

version 4.0
version 3.1