{"id":"CVE-2026-63045","title":"Improper validation of FTP PASV reply address in mod_proxy_ftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a…","summary":"Improper validation of FTP PASV reply address in mod_proxy_ftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-284","CWE-918"],"vendor":"Apache Software Foundation","product":"Apache HTTP Server","affected":["apache_http_server >= 2.4.0 <= 2.4.68"],"published":"2026-10-01","updated":"2026-10-01","sourceUpdated":"2026-10-01T21:17:23.433","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-63045","references":[{"url":"https://httpd.apache.org/security/vulnerabilities_24.html","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/01/23","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-63045.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-63045"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2544823"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63045"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63045"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-01T18:30:13.273627Z"},"ingestedAt":"2026-10-01T18:55:42.363Z","scores":{"nvd":7.5,"vendor":5.3},"epss":0.00327,"epssPercentile":0.23497,"slug":"CVE-2026-63045","body":"## Overview\n\nImproper validation of FTP PASV reply address in mod_proxy_ftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a data connection to an arbitrary third-party host via a crafted PASV response.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Hardened Images · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-02 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-63045.json)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}