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Medium · 4.3 CVE-2026-71563 EUVD-2026-104158GHSA-99v2-ggw9-c6mv

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

Published Oct 19, 2026 · Updated Oct 20, 2026 · Assigned by apache

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.

Affected products

VendorProductAffectedFixed
Apache Software Foundation Apache Answer ≤ 2.0.2 —

References