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VULNERABILITIES

CVE-2026-86589 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CNA: CISA-ADPCVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://www.openwall.com/lists/oss-security/2026/10/16/33 CVEAdvisoryMailing ListRemedy
https://lists.apache.org/thread/t8mbzfolzlqz4z5hcwq3v0lnwjqb2tl5 [email protected]AdvisoryMailing ListRemedyVendor

Weakness Enumeration

CWE-IDCWE NameSource
CWE-303Incorrect Implementation of Authentication Algorithm[email protected]

Affected Products

ProductVersions
Apache Answer
<= 2.0.2 (semver)

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • Upgrade: 2.0.3moderate effort

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-86589
NVD Published Date:
Oct 19, 2026
NVD Last Modified:
Oct 30, 2026
Source:
[email protected]