{"id":"CVE-2026-71563","aliases":["EUVD-2026-104158","GHSA-99v2-ggw9-c6mv"],"status":"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.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00224,"percentile":0.13201,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-10-19T09:32:40Z","modified":"2026-10-20T21:31:48Z","products":[{"vendor":"apache software foundation","product":"apache answer"}],"references":[{"url":"https://lists.apache.org/thread/msodd7g2r6xdn9wpkpdp04m9g1jb2xtl","tags":["vendor-advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/16/27"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71563"},{"url":"https://github.com/advisories/GHSA-99v2-ggw9-c6mv"}],"sources":{"cve":[{"id":"CVE-2026-71563","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.","status":"published","published":"2026-10-19T09:32:40.826Z","modified":"2026-10-20T19:00:27.382Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:19:49.559463Z"}],"euvd":[{"id":"EUVD-2026-104158","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.","status":"published","published":"2026-10-19T09:32:40Z","modified":"2026-10-20T19:00:27Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:59:43.145678Z"}],"ghsa":[{"id":"GHSA-99v2-ggw9-c6mv","title":"Missing Authorization vulnerability in Apache Answer.\n\n\n\nThis issue affects Apache Answer:...","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.","status":"published","published":"2026-10-19T12:32:47Z","modified":"2026-10-20T21:31:48Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:14:05.433073Z"}],"nvd":[{"id":"CVE-2026-71563","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.","status":"published","published":"2026-10-19T10:16:48.637Z","modified":"2026-10-20T19:18:14.297Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:13:00.83844Z"}]}}