CVE-2026-71563Apache Answer: MCP Answer Retrieval Exposes Content from Non-Public Questions

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://lists.apache.org/thread/msodd7g2r6xdn9wpkpdp04m9g1jb2xtl vendor-advisory
• http://www.openwall.com/lists/oss-security/2026/10/16/27