CVE-2026-90910 — Apache Answer: Reaction API authorization bypass for restricted content

Description (CNA)

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 (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Answer	affected 0 through 2.0.2

CWE

CWE-306

References

https://lists.apache.org/thread/bhw80mvmnt9206wyqz80rcbwx1znv1p3

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/10/16/34

CISA-ADP

No English description supplied.

No references supplied.