Apache Answer: MCP Answer Retrieval Exposes Content from Non-Public Questions
CVSS score
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EPSS probability
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Risk score
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Published
11 h ago
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Vulnerability description
CVE AI research
DayBreach AI Explanation
Verified against sourcesSources read
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Source agreement
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Evidence confidence
%55
Short explanation
A missing authorization vulnerability affects Apache Answer through version 2.0.2 [S0]. An authorization flaw in the MCP answer retrieval tool allows global API key holders to access answer content tied to hidden, deleted, or pending-review questions [S0].
Bypassing authorization checks allows unauthorized entities to view sensitive or restricted question content, thereby compromising data confidentiality [S0].
What should be done?
- Upgrade to version 2.0.3 as recommended [S0]
- Follow vendor advisories
- Review API key privileges
Chain of evidence and sources
CVE-2026-71563 açığı Apache Answer sürümlerinde 2.0.2 dahil olmak üzere etkilidir.
MCP yanıt getirme aracındaki yetkilendirme kusuru, gizli veya silinmiş soruların okunmasına izin verir.
Show the technical text from the sources
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.
CWE: CWE-862
Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-71563 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | Apache Software Foundation | Apache Answer | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-71563 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-71563 weaknesses.
Official Sources and Advisories
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Weakness Type (CWE & CAPEC)
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