{"id":"CVE-2026-112256","aliases":["EUVD-2026-113003","GHSA-rqjf-xhwg-fh67"],"status":"published","title":"Logon bypass (trust of attacker-controlled completed-methods list)","description":"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 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.","severity":{"version":"4.0","score":9.2,"vector":"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00245,"percentile":0.15863,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-349"],"published":"2026-10-29T15:31:18Z","modified":"2026-11-05T21:19:48Z","products":[{"vendor":"opentext","product":"advanced authentication server"}],"references":[{"url":"https://docs.microfocus.com/doc/42/26.3.1/security-improvements-662","tags":["release-notes"]},{"url":"https://docs.microfocus.com/doc/2582/26.3.1/security-improvements-662","tags":["release-notes"]},{"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"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112256"},{"url":"https://github.com/advisories/GHSA-rqjf-xhwg-fh67"}],"sources":{"cve":[{"id":"CVE-2026-112256","title":"Logon bypass (trust of attacker-controlled completed-methods list)","description":"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 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.","status":"published","published":"2026-10-29T15:31:18.768Z","modified":"2026-11-05T21:19:48.182Z","cvss":[{"version":"4.0","score":9.2,"vector":"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","level":"critical","assessor":"cna"}],"cwes":["CWE-349"],"updated_at":"2026-11-05T22:55:19.167207Z"}],"euvd":[{"id":"EUVD-2026-113003","description":"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 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.","status":"published","published":"2026-10-29T15:31:18Z","modified":"2026-11-05T21:19:48Z","cvss":[{"version":"4.0","score":9.2,"vector":"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","level":"critical"}],"updated_at":"2026-11-05T22:02:08.543452Z"}],"ghsa":[{"id":"GHSA-rqjf-xhwg-fh67","title":"Acceptance of extraneous untrusted data with trusted data vulnerability in OpenText Advanced...","description":"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 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.","status":"published","published":"2026-10-29T18:30:53Z","modified":"2026-10-29T18:30:54Z","cvss":[{"version":"4.0","score":9.2,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:C/RE:M/U:Red","level":"critical"}],"cwes":["CWE-349"],"updated_at":"2026-11-02T15:14:39.34849Z"}],"nvd":[{"id":"CVE-2026-112256","description":"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 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.","status":"published","published":"2026-10-29T16:17:58.39Z","modified":"2026-11-05T22:17:46.143Z","cvss":[{"version":"4.0","score":9.2,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:C/RE:M/U:Red","level":"critical","assessor":"secondary"}],"cwes":["CWE-349"],"updated_at":"2026-11-05T23:57:22.428307Z"}]}}