Advisory [CVE-2026-86589] Incorrect implementation of authentication algorithm vulnerability in Apache Answer
This security Apache Software Foundation advisory covers CVE-2026-86589 affecting Apache Answer.
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Summary
Incorrect implementation of authentication algorithm vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.2.
A flaw in the User Center login integration can cause a newly created external user session to omit its external identity, allowing subsequent requests to bypass central account suspension or deletion checks until the session expires or is revoked.
Users are recommended to upgrade to version 2.0.3, which fixes the issue.
- through 2.0.2
Official advisory · medium-confidence parse· fetched 10 days ago·verify at source
- 2.0.3
Official advisory · medium-confidence parse· fetched 10 days ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 2.0.3, which fixes the issue.
Official advisory · medium-confidence parse· fetched 10 days ago·verify at source
More Apache Software Foundation advisories
- CVE-2026-90910Oct 19, 2026Apache Answer authentication bypass
- CVE-2026-79633Oct 19, 2026vulnerability in Apache Answer
- CVE-2026-79624Oct 19, 2026Insufficient session expiration vulnerability in Apache Answer
- CVE-2026-79620Oct 19, 2026Apache Answer information disclosure
- CVE-2026-79613Oct 19, 2026vulnerability in Apache Answer
- CVE-2026-76994Oct 19, 2026Apache Answer information disclosure
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