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CVE-2026-86589— Apache Answer: User Center integration does not revoke first-login sessions after central account suspension

Quick assessment

Affected
Apache Software Foundation Apache Answer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Answer 中存在认证算法实现不当的漏洞。 该问题影响 Apache Answer 2.0.2 及之前的版本。 用户中心登录集成中存在一个缺陷，可能导致新创建的外部用户会话遗漏其外部身份标识，从而使得后续请求能够绕过中心账户的冻结或删除检查，直到会话过期或被撤销为止。 建议用户升级至 2.0.3 版本，该版本已修复此问题。

AI Predicted 6.5 Difficulty: Moderate

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Answer ≤ 2.0.2 affected
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I. Basic Information for CVE-2026-86589

Vulnerability Information
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Vulnerability Title
Apache Answer: User Center integration does not revoke first-login sessions after central account suspension
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
认证算法的不正确实现
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Answer 0 ~ 2.0.2 -

II. Public POCs for CVE-2026-86589

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III. Intelligence Information for CVE-2026-86589

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Mailing List Discussions for CVE-2026-86589 (1)

Same Patch Batch · Apache Software Foundation · 2026-10-19 · 62 CVEs total

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CVE-2026-80312 8.2 HIGH Apache Camel: Camel-OAuth Authentication Bypass via Fail-Open Processors
CVE-2026-80344 8.2 HIGH Apache Camel: Camel-AS2 Server-Side Request Forgery and Credential Disclosure via Asynchro
CVE-2026-80343 8.2 HIGH Apache Camel: Camel-Netty-HTTP Security Constraint Bypass via Case-Sensitive Context-Path
CVE-2026-78164 8.2 HIGH Apache Camel: HTTP producers resolve property placeholders in message-supplied URI overrid
CVE-2026-88901 8.2 HIGH Apache Camel: Camel-Smooks XML External Entity Processing, external entities resolved by d
CVE-2026-85251 7.5 HIGH Apache Camel: Camel-HTTP Credential Disclosure to Cross-Host Redirect Targets
CVE-2026-85250 7.5 HIGH Apache Camel: Camel-XPath XML External Entity Processing and File Disclosure via the docum
CVE-2026-79984 7.4 HIGH Apache Camel: camel-mina-sftp resolved the remote path of a polled file from the name repo
CVE-2026-79985 7.4 HIGH Apache Camel: camel-smb resolved the remote path of a polled file from the name reported i
CVE-2026-79986 7.4 HIGH Apache Camel: camel-azure-files resolved the remote path of a polled file from the name re
CVE-2026-79983 7.4 HIGH Apache Camel: camel-ftp resolved the remote path of a polled file from the name reported i
CVE-2026-91858 6.5 MEDIUM Apache Camel: Camel-FOP Resolves External DTDs and Entities From Untrusted XSL-FO Input Wh
CVE-2026-84176 6.5 MEDIUM Apache Camel: Camel-Platform-HTTP-Vertx Cross-Origin Credential Exposure via Wildcard Orig
CVE-2026-85249 6.5 MEDIUM Apache Camel: Camel-Tika Header Injection via Unfiltered Document Metadata
CVE-2026-85254 6.5 MEDIUM Apache Camel: Camel-Platform-HTTP Request-Header Echo Suppression Bypassed by Header-Name
CVE-2026-85314 6.5 MEDIUM Apache Camel: Camel-Mail Header Injection via Unfiltered mail.smtp Headers in the MimeMult

Showing top 20 of 62 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Apache Answer
Same vendor: Apache Software Foundation
Same weakness: CWE-303

V. Comments for CVE-2026-86589

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