Vulnerabilities

CVSS

9.1 Critical

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Risk score

72.8

Published

2025-04-08

Status

Published

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.

Weaknesses

CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Coverage 1

vulnerability

Siemens SENTRON 7KT PAC1261 Data Manager

A vulnerability has been identified in the Siemens SENTRON 7KT PAC1261 Data Manager software, specifically within the Go Project’s net/http package. This allows an attacker to potentially gain administrative control over…

CISA Advisories · May 14, 2026 High

CVE-2025-22871DEhttprequest smugglingindustrial control systems

All articles mentioning it

Advisories and references

• go.dev/cl/652998
• go.dev/issue/71988
• groups.google.com/g/golang-announce/c/Y2uBTVKjBQk
• pkg.go.dev/vuln/GO-2025-3563
• openwall.com/lists/oss-security/2025/04/04/4
• cert-portal.siemens.com/productcert/html/ssa-783943.html