CRLF Injection Affecting libsoup package, versions [,3.7.1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.3% (22nd percentile)

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  • Snyk IDSNYK-UNMANAGED-LIBSOUP-15146879
  • published29 Jan 2026
  • disclosed28 Jan 2026
  • creditUnknown

Introduced: 28 Jan 2026

CVE-2026-1536  (opens in a new tab)
CWE-93  (opens in a new tab)

How to fix?

Upgrade libsoup to version 3.7.1 or higher.

Overview

Affected versions of this package are vulnerable to CRLF Injection via the soup_message_headers_set_content_disposition() function. An attacker can inject arbitrary HTTP headers by supplying specially crafted input containing CRLF sequences to the Content-Disposition header.

CVSS Base Scores

version 4.0
version 3.1