CVE-2026-90910

UNKNOWN 0.0

Apache Answer: Reaction API authorization bypass for restricted content

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-306
Vendor	apache software foundation
Product	apache answer
Published	Oct 19, 2026
Last Updated	Oct 19, 2026

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Affected Versions

Apache Software Foundation / Apache Answer

0 ≤ 2.0.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

lists.apache.org: https://lists.apache.org/thread/bhw80mvmnt9206wyqz80rcbwx1znv1p3 openwall.com: http://www.openwall.com/lists/oss-security/2026/10/16/34

Credits

🔍 Maksim Hayder