{"id":"CVE-2026-73636","published":"2026-10-01T17:17:30.873","lastModified":"2026-10-05T17:45:24.813","description":"Authentication bypass by capture-replay in mod_auth_digest in Apache Software Foundation Apache HTTP Server 2.4.x on all platforms allows a man-in-the-middle (MITM) attacker to replay captured digest authentication credentials via crafted requests that trigger garbage collection of the client's shared memory entry when AuthDigestNonceLifetime is set to 0.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue.","cvssScore":8.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-294"],"vendors":["apache"],"products":["http server"],"references":[{"url":"https://httpd.apache.org/security/vulnerabilities_24.html","tags":["Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/01/27","tags":["Mailing List","Third Party Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"The flaw allows a man-in-the-middle attacker to bypass authentication by replaying captured digest credentials, posing a significant security risk.","exploitability":"Exploitation is moderately difficult requiring a man-in-the-middle position and the ability to capture and replay credentials. Precondition is the AuthDigestNonceLifetime being set to 0.","blast_radius":"If exploited, the impact is high, as it compromises the integrity of the authentication mechanism, allowing unauthorized access to protected resources.","remediation":"Upgrade to Apache HTTP Server 2.4.69 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","web","http","apache","man-in-the-middle"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-05T08:44:06.286Z"}}