← Back to CVE Explorer

CVE-2026-71563

Full vulnerability record from the local CVENow database.

Description

Missing Authorization vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. An authorization flaw in the MCP answer retrieval tool allows holders of a global API key to access answer content associated with hidden, deleted, or pending-review questions. Users are recommended to upgrade to version 2.0.3, which fixes the issue.

Severity
MEDIUM
CVSS score
4.3 (v3.1)
Vulnerability status
Deferred
Source identifier
Published
2026-10-19 10:16:48.637000
Last modified
2026-10-20 19:18:14.297000
View original CVE JSON
{
  "id": "CVE-2026-71563",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-19T10:16:48.637",
  "lastModified": "2026-10-20T19:18:14.297",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Missing Authorization vulnerability in Apache Answer.\n\n\n\nThis issue affects Apache Answer: through 2.0.2.\n\nAn authorization flaw in the MCP answer retrieval tool allows holders of a global API key to access answer content associated with hidden, deleted, or pending-review questions.\n\n\nUsers are recommended to upgrade to version 2.0.3, which fixes the issue."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Answer",
          "defaultStatus": "unaffected",
          "packageURL": "pkg:software-id/apache.org/answer",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "2.0.2",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-20T19:00:12.822923Z",
          "id": "CVE-2026-71563",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://lists.apache.org/thread/msodd7g2r6xdn9wpkpdp04m9g1jb2xtl",
      "source": "[email protected]"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/10/16/27",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}