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CVE-2026-86589medium5.4

Apache Answer: User Center integration does not revoke first-login sessions after central account suspension

Impact

Incorrect implementation of authentication algorithm vulnerability in Apache Answer.

Source excerpt · apache

Affected packages

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Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Apache Software Foundation · apache

Apache Answer

1 range
apache version evidence

Package identity

pkg:software-id/apache.org/answer

Identity supplied by apache. Version matching requires compatible range evidence.

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affected

0 → through 2.0.2

semver versions

unaffected

unknown

Other versions: unaffected

Original source description

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.

Inside the record

Evidence available

Package identity
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

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Original records

CVE-2026-86589

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-303 ↗

CWE-303 Incorrect implementation of authentication algorithm

apache

Related →
Contributing organizations · 3
apache

Assigning organization

2026-10-19
CVE

Additional data publisher

2026-10-19
CISA-ADP

Additional data publisher

2026-10-30

What changed

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References

2 sources
lists.apache.org/thread/t8mbzfolzlqz4z5hcwq3v0lnwjqb2tl5
vendor-advisoryapache
www.openwall.com/lists/oss-security/2026/10/16/33
Security advisoryCVE