{"id":"CVE-2026-112256","title":"Logon bypass (trust of attacker-controlled completed-methods list)","summary":"Acceptance of extraneous untrusted data with trusted data vulnerability in OpenText Advanced Authentication Server allows Accessing Functionality Not Properly Constrained by ACLs.\n\nThis issue affects Advanced Authentication Server: from …","severity":"critical","cvss":9.2,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:P/AU:Y/V:C/RE:M/U:Red","cvssSource":"cna","cwe":["CWE-349"],"vendor":"OpenText","product":"Advanced Authentication Server","affected":["advanced_authentication_server >= 6.4.0.0 <= 6.4.3.8","advanced_authentication_server >= 6.5.0.0 <= 6.5.0.10","advanced_authentication_server >= 6.6.0.0 <= 6.6.1.0"],"published":"2026-10-29","updated":"2026-10-29","sourceUpdated":"2026-10-29T15:31:18.768Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112256","references":[{"url":"https://docs.microfocus.com/doc/42/26.3.1/security-improvements-662"},{"url":"https://docs.microfocus.com/doc/2582/26.3.1/security-improvements-662"},{"url":"https://docs.microfocus.com/doc/42/6.4.3.9/security-improvements-6439"},{"url":"https://docs.microfocus.com/doc/42/6.5.0.11/security-improvements-65011"}],"tags":["cve.org"],"epss":0.00245,"epssPercentile":0.15807,"ingestedAt":"2026-11-01T20:00:16.991Z","slug":"CVE-2026-112256","body":"## Overview\n\nAcceptance of extraneous untrusted data with trusted data vulnerability in OpenText Advanced Authentication Server allows Accessing Functionality Not Properly Constrained by ACLs.\n\nThis issue affects Advanced Authentication Server: from 6.4.0.0 through 6.4.3.8, from 6.5.0.0 through 6.5.0.10, and from 6.6.0.0 through 6.6.1.0.\n\n## Affected\n\n- `advanced_authentication_server >= 6.4.0.0 <= 6.4.3.8`\n- `advanced_authentication_server >= 6.5.0.0 <= 6.5.0.10`\n- `advanced_authentication_server >= 6.6.0.0 <= 6.6.1.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":50.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}