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TI-2026-76293 Aliases CVE-2026-71563GHSA-99v2-ggw9-c6mv

Missing authorization in Apache Answer MCP answer retrieval

Priority LOW 19CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

Apache Answer through 2.0.2 lacks an authorization check (CWE-862) in its MCP answer retrieval tool. An attacker holding a global API key can read answer content linked to hidden, deleted, or pending-review questions.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00224 13th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Answerup to 2.0.2—No fix listedCNA
  • Apache Answer VendorApache Affected up to 2.0.2 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:*——Apache
  • cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:* Versions — — ·Apache

Remediation

Upgrade Apache Answer to version 2.0.3, which fixes the issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-19 Threatist record created from CVE-2026-71563
  2. 2026-10-19 Alias added: GHSA-99v2-ggw9-c6mv
  3. 2026-10-20 CVSS score added · CISA ADP
  4. 2026-10-20 CISA SSVC decision points changed

References

Advisory 1

  • TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
  • TI-2024-30292 Apache OFBiz: Confused controller-view authorization logic (forced browsing) KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-26062 Apache OFBiz: Unauthenticated endpoint could allow execution of screen rendering code KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-21190 Apache OFBiz: Path traversal leading to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-18186 Apache HugeGraph-Server: Command execution in gremlin KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-25106 Deserialization of untrusted data in Apache ActiveMQ KEVCVSS 3.1CRITICAL 10.0
See all 4053 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences