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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Advanced Authentication Server", "vendor": "OpenText", "versions": [{"changes": [{"at": "6.4.3.9", "status": "unaffected"}], "lessThanOrEqual": "6.4.3.8", "status": "affected", "version": "6.4.0.0", "versionType": "semver"}, {"changes": [{"at": "6.5.0.11", "status": "unaffected"}], "lessThanOrEqual": "6.5.0.10", "status": "affected", "version": "6.5.0.0", "versionType": "semver"}, {"changes": [{"at": "6.6.2.0", "status": "unaffected"}], "lessThanOrEqual": "6.6.1.0", "status": "affected", "version": "6.6.0.0", "versionType": "semver"}]}], "source": "security@opentext.com"}], "cveTags": [], "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."}], "id": "CVE-2026-112256", "lastModified": "2026-10-29T16:29:56.553", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.2, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "RED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "CONCENTRATED", "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/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "MODERATE"}, "source": "security@opentext.com", "type": "Secondary"}]}, "published": "2026-10-29T16:17:58.390", "references": [{"source": "security@opentext.com", "url": "https://docs.microfocus.com/doc/2582/26.3.1/security-improvements-662"}, {"source": "security@opentext.com", "url": "https://docs.microfocus.com/doc/42/26.3.1/security-improvements-662"}, {"source": "security@opentext.com", "url": "https://docs.microfocus.com/doc/42/6.4.3.9/security-improvements-6439"}, {"source": "security@opentext.com", "url": "https://docs.microfocus.com/doc/42/6.5.0.11/security-improvements-65011"}], "sourceIdentifier": "security@opentext.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-349"}], "source": "security@opentext.com", "type": "Primary"}]}

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