HTTP Request Smuggling Affecting libsoup package, versions *


Severity

Recommended
0.0
low
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-CENTOS7-LIBSOUP-15530692
  • published14 Mar 2026
  • disclosed18 Feb 2026

Introduced: 18 Feb 2026

CVE-2026-2708  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 libsoup.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsoup package and not the libsoup package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

A request smuggling vulnerability exists in libsoup's HTTP/1 header parsing logic. The soup_message_headers_append_common() function in libsoup/soup-message-headers.c unconditionally appends each header value without validating for duplicate or conflicting Content-Length fields. This allows an attacker to send HTTP requests containing multiple Content-Length headers with differing values.

CVSS Base Scores

version 3.1