{"id":"CVE-2023-26147","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-26147","generatedAt":"2026-10-28T02:19:33.893Z","title":"All versions of the package ithewei/libhv are vulnerable to HTTP Response Splitting when untrusted user input is used to build headers values.","description":"All versions of the package ithewei/libhv are vulnerable to HTTP Response Splitting when untrusted user input is used to build headers values. An attacker can add the \\r\\n (carriage return line feeds) characters to end the HTTP response headers and inject malicious content, like for example additional headers or new response body, leading to a potential XSS vulnerability.","published":"2023-09-29T05:15:47.000Z","lastModified":"2026-06-17T05:42:47.000Z","status":"Modified","sourceIdentifier":"report@snyk.io","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-113","CWE-79"],"affected":["ithewei/libhv"],"epss":{"score":0.0044,"percentile":0.37979,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.44%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://gist.github.com/dellalibera/2be265b56b7b3b00de1a777b9dec0c7b","tags":["Exploit","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://security.snyk.io/vuln/SNYK-UNMANAGED-ITHEWEILIBHV-5730768","tags":["Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://gist.github.com/dellalibera/2be265b56b7b3b00de1a777b9dec0c7b","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.snyk.io/vuln/SNYK-UNMANAGED-ITHEWEILIBHV-5730768","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-26147","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}