Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') Affecting crowcpp-crow package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.16% (39th percentile)

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  • Snyk IDSNYK-CONAN-CROWCPPCROW-10075491
  • published8 May 2025
  • disclosed5 Jun 2023
  • creditAlessio Della Libera - Snyk Research Team

Introduced: 5 Jun 2023

CVE-2023-26142  (opens in a new tab)
CWE-113  (opens in a new tab)
First added by Snyk

How to fix?

There is no fixed version for crowcpp-crow.

Overview

Affected versions of this package are vulnerable to Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') when untrusted user input is used to build header values. Header values are not properly sanitized against CRLF Injection in the set_header and add_header functions. An attacker can add the \r\n (carriage return line feeds) characters to end the HTTP response headers and inject malicious content.

References

CVSS Base Scores

version 3.1