{"api_version":"1","generated_at":"2026-10-27T06:52:41+00:00","cve":"CVE-2026-71563","urls":{"html":"https://cve.report/CVE-2026-71563","api":"https://cve.report/api/cve/CVE-2026-71563.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-71563","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-71563"},"summary":{"title":"Apache Answer: MCP Answer Retrieval Exposes Content from Non-Public Questions","description":"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.","state":"PUBLISHED","assigner":"apache","published_at":"2026-10-19 10:16:48","updated_at":"2026-10-20 19:18:14"},"problem_types":["CWE-862","CWE-862 CWE-862 Missing Authorization"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"4.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"4.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","data":{"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"}}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/10/16/27","name":"http://www.openwall.com/lists/oss-security/2026/10/16/27","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.apache.org/thread/msodd7g2r6xdn9wpkpdp04m9g1jb2xtl","name":"https://lists.apache.org/thread/msodd7g2r6xdn9wpkpdp04m9g1jb2xtl","refsource":"security@apache.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-71563","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71563","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache Answer","version":"affected 2.0.2 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Han, JunGyu","lang":"en"},{"source":"CNA","value":"VK, AzeFox Foundations","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"71563","cve":"CVE-2026-71563","epss":"0.001620000","percentile":"0.049410000","score_date":"2026-10-20","updated_at":"2026-10-21 00:14:27"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2026-10-19T10:13:52.085Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/10/16/27"}],"title":"CVE Program Container"},{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}},{"other":{"content":{"id":"CVE-2026-71563","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-10-20T19:00:12.822923Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-10-20T19:00:27.382Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","packageURL":"pkg:software-id/apache.org/answer","product":"Apache Answer","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"2.0.2","status":"affected","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"reporter","value":"Han, JunGyu"},{"lang":"en","type":"reporter","value":"VK, AzeFox Foundations"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Missing Authorization vulnerability in Apache Answer.</p><p>This issue affects Apache Answer: through 2.0.2.</p>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.<div><br><p>Users are recommended to upgrade to version 2.0.3, which fixes the issue.</p></div>"}],"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."}],"metrics":[{"other":{"content":{"text":"moderate"},"type":"Textual description of severity"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","description":"CWE-862 Missing Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-19T09:32:40.826Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache"},"references":[{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/msodd7g2r6xdn9wpkpdp04m9g1jb2xtl"}],"source":{"discovery":"EXTERNAL"},"title":"Apache Answer: MCP Answer Retrieval Exposes Content from Non-Public Questions","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","assignerShortName":"apache","cveId":"CVE-2026-71563","datePublished":"2026-10-19T09:32:40.826Z","dateReserved":"2026-08-07T10:38:50.680Z","dateUpdated":"2026-10-20T19:00:27.382Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-19 10:16:48","lastModifiedDate":"2026-10-20 19:18:14","problem_types":["CWE-862","CWE-862 CWE-862 Missing Authorization"],"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"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"71563","Ordinal":"1","Title":"Apache Answer: MCP Answer Retrieval Exposes Content from Non-Pub","CVE":"CVE-2026-71563","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"71563","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Apache Answer: MCP Answer Retrieval Exposes Content from Non-Pub"}]}}}