Vulnerability in Ithewei Libhv

CVE-2023-26148

All versions of the package ithewei/libhv are vulnerable to CRLF Injection when untrusted user input is used to set request headers. An attacker can add the \r\n (carriage return line feeds) characters and inject additional headers in the request sent.

Vulnerability class: CRLF Injection

EPSS: 0.004 (30.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-26148?
CVE-2023-26148 is a medium-severity vulnerability in Ithewei Libhv, classified under CRLF Injection. CVSS score: 5.4/10. Published 2023-09-29.
How severe is CVE-2023-26148?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-26148 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.