{"id":"CVE-2026-71563","state":"PUBLISHED","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.","publishedAt":"2026-10-19T09:32:40.826Z","updatedAt":"2026-10-20T19:00:27.382Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Answer"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Answer","packageURL":"pkg:software-id/apache.org/answer","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.0.2","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/msodd7g2r6xdn9wpkpdp04m9g1jb2xtl","http://www.openwall.com/lists/oss-security/2026/10/16/27"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/71xxx/CVE-2026-71563.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71563","state":"PUBLISHED","datePublished":"2026-10-19T09:32:40.826Z","dateUpdated":"2026-10-20T19:00:27.382Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-08-07T10:38:50.680Z"},"containers":{"cna":{"title":"Apache Answer: MCP Answer Retrieval Exposes Content from Non-Public Questions","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":[{"vendor":"Apache Software Foundation","product":"Apache Answer","packageURL":"pkg:software-id/apache.org/answer","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.0.2","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread/msodd7g2r6xdn9wpkpdp04m9g1jb2xtl","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"moderate"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","description":"CWE-862 Missing Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-10-19T09:32:40.826Z"},"source":{"discovery":"EXTERNAL"},"credits":[{"lang":"en","value":"Han, JunGyu","type":"reporter"},{"lang":"en","value":"VK, AzeFox Foundations","type":"reporter"}],"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/10/16/27"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-10-19T10:13:52.085Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-20T19:00:12.822923Z","id":"CVE-2026-71563","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-20T19:00:27.382Z"}}]}}}