CVE-2026-1536CWE-93

Libsoup: libsoup: http header injection or response splitting via crlf injection in content-disposition header

Medium · published January 28, 2026

CVSS v3.1
5.8
EPSS
0%
Percentile
27.2
In the wild
Unconfirmed
What it is

A flaw was found in libsoup. An attacker who can control the input for the Content-Disposition header can inject CRLF (Carriage Return Line Feed) sequences into the header value. These sequences are then interpreted verbatim when the HTTP request or response is constructed, allowing arbitrary HTTP headers to be injected. This vulnerability can lead to HTTP header injection or HTTP response splitting without requiring authentication or user interaction.

The record
Technical detail
CVSS v3.1
5.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00349 · 27.2th percentile
Weakness
CWE-93 · Improper Neutralization of CRLF Sequences ('CRLF Injection')
Published
2026-01-28T15:15Z
EPSS history
Timeline
  • 28 JAN 15:15Z
    Libsoup: libsoup: http header injection or response splitting via crlf injection in content-disposition header
    cvelistv5