CVE-2026-1467 MEDIUM

CVE-2026-1467: Libsoup: libsoup: http header injection via specially crafted urls when an http proxy is configured

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Weakness CWE-93 · CRLF injection
Published January 27, 2026
Last update March 25, 2026

CVSS base score

5.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in libsoup, an HTTP client library. This vulnerability, known as CRLF (Carriage Return Line Feed) Injection, occurs when an HTTP proxy is configured and the library improperly handles URL-decoded input used to create the Host header. A remote attacker can exploit this by providing a specially crafted URL containing CRLF sequences, allowing them to inject additional HTTP headers or complete HTTP request bodies. This can lead to unintended or unauthorized HTTP requests being forwarded by the proxy, potentially impacting downstream services.

Key dates

02Disclosure timeline

January 27, 2026 CVE published
March 25, 2026 Record updated