---
id: CVE-2026-86589
title: >-
  Apache Answer: User Center integration does not revoke first-login sessions
  after central account suspension
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 om…
severity: none
cwe:
  - CWE-303
vendor: Apache Software Foundation
product: Apache Answer
affected:
  - apache_answer <= 2.0.2
published: '2026-10-19'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T10:14:34.300Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-86589'
references:
  - url: 'https://lists.apache.org/thread/t8mbzfolzlqz4z5hcwq3v0lnwjqb2tl5'
tags:
  - cve.org
ingestedAt: '2026-10-19T12:27:23.823Z'
---

## Overview

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.

## Affected

- `apache_answer <= 2.0.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.