CVE-2026-90910: CWE-306 Missing authentication for critical function in Apache Software Foundation Apache Answer
Description
Missing authentication for critical function vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. The reaction API did not enforce content visibility controls, allowing unauthorized users to read reaction metadata from restricted content or add and remove their own reactions. Users are recommended to upgrade to version 2.0.3, which fixes the issue.
Affected software
Apache Software Foundation
Apache Answer
pkg:maven/org.apache.answer/apache-answerRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Apache Answer versions through 2.0.2 contain a missing authentication vulnerability (CWE-306) in the reaction API. The API did not enforce content visibility controls, enabling unauthorized users to access reaction metadata on restricted content and manipulate reactions without proper authorization. This vulnerability is addressed by upgrading to version 2.0.3.
Potential Impact
Unauthorized users can bypass authentication controls to read metadata associated with reactions on restricted content and modify reactions by adding or removing them. This could lead to unauthorized disclosure of metadata and unauthorized modification of reaction data.
Mitigation Recommendations
Users should upgrade Apache Answer to version 2.0.3, which contains the fix for this vulnerability. No other mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-09-14T10:52:53.687Z
- State
- PUBLISHED
Threat ID: 6ad5eb172cdf04f6563eab68
Added to database: 10/19/2026, 10:04:07 UTC
Last enriched: 10/19/2026, 10:18:14 UTC
Last updated: 10/19/2026, 10:33:58 UTC
Views: 4
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