VULNERABILITY INTELLIGENCE

CVE-2026-2708

CVSS score3.7 LOW
EPSS probability0.32%
CISA KEVNot currently listed
Published2026-04-23
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

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.

Weakness classification

  • secalert@redhat.com: CWE-444

Primary references