{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-112256", "assignerOrgId": "f81092c5-7f14-476d-80dc-24857f90be84", "state": "PUBLISHED", "assignerShortName": "OpenText", "dateReserved": "2026-10-19T12:58:32.736Z", "datePublished": "2026-10-29T15:31:18.768Z", "dateUpdated": "2026-10-29T15:31:18.768Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "f81092c5-7f14-476d-80dc-24857f90be84", "shortName": "OpenText", "dateUpdated": "2026-10-29T15:31:18.768Z" }, "title": "Logon bypass (trust of attacker-controlled completed-methods list)", "datePublic": "2026-10-29T04:01:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-349", "description": "CWE-349 Acceptance of extraneous untrusted data with trusted data", "type": "CWE" } ] } ], "impacts": [ { "capecId": "CAPEC-1", "descriptions": [ { "lang": "en", "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs" } ] } ], "affected": [ { "vendor": "OpenText", "product": "Advanced Authentication Server", "versions": [ { "status": "affected", "version": "6.4.0.0", "lessThanOrEqual": "6.4.3.8", "changes": [ { "at": "6.4.3.9", "status": "unaffected" } ], "versionType": "semver" }, { "status": "affected", "version": "6.5.0.0", "lessThanOrEqual": "6.5.0.10", "changes": [ { "at": "6.5.0.11", "status": "unaffected" } ], "versionType": "semver" }, { "status": "affected", "version": "6.6.0.0", "lessThanOrEqual": "6.6.1.0", "changes": [ { "at": "6.6.2.0", "status": "unaffected" } ], "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "cpeApplicability": [ { "operator": "OR", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:opentext:advanced_authentication_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4.0.0", "versionEndIncluding": "6.4.3.8" }, { "vulnerable": true, "criteria": "cpe:2.3:a:opentext:advanced_authentication_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5.0.0", "versionEndIncluding": "6.5.0.10" }, { "vulnerable": true, "criteria": "cpe:2.3:a:opentext:advanced_authentication_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.0.0", "versionEndIncluding": "6.6.1.0" } ] } ] } ], "descriptions": [ { "lang": "en", "value": "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.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Acceptance of extraneous untrusted data with trusted data vulnerability in OpenText Advanced Authentication Server allows Accessing Functionality Not Properly Constrained by ACLs.
This 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.
" } ] } ], "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" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "Safety": "NOT_DEFINED", "Automatable": "YES", "Recovery": "NOT_DEFINED", "valueDensity": "CONCENTRATED", "vulnerabilityResponseEffort": "MODERATE", "providerUrgency": "RED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.2, "vectorString": "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" } } ], "credits": [ { "lang": "en", "value": "JAN FISHER", "type": "finder" } ], "source": { "defect": [ "904637" ], "discovery": "EXTERNAL" }, "x_generator": { "engine": "Vulnogram 1.0.5" } } } }