{"schema_version":"1.9.0","id":"BIT-apache-2026-33523","published":"2026-05-05T08:39:05.747Z","modified":"2026-09-08T08:45:31.065128807Z","aliases":["CVE-2026-33523"],"summary":"Apache HTTP Server: multiple modules: HTTP response splitting forwarding malicious status line","details":"HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers.\n\nThis issue affects Apache HTTP Server: from through 2.4.66.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes the issue.","affected":[{"package":{"name":"apache","ecosystem":"Bitnami","purl":"pkg:bitnami/apache"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.4.0"},{"fixed":"2.4.67"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/apache/BIT-apache-2026-33523.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}],"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/05/04/23"},{"type":"ADVISORY","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33523"}],"database_specific":{"cpes":["cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*"],"severity":"Medium"}}