CVE-2026-112256

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