SB2026080518 - Authentication Bypass by Alternate Name in IBM WebSphere Hybrid Edition



SB2026080518 - Authentication Bypass by Alternate Name in IBM WebSphere Hybrid Edition

Published: August 5, 2026

Security Bulletin ID SB2026080518
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Authentication Bypass by Alternate Name (CVE-ID: CVE-2026-10842)

CWE-ID: CWE-289 - Authentication Bypass by Alternate Name

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass security constraints.

The vulnerability exists due to an error in when processing authentication requests. A remote attacker can bypass security constraints and gain unauthorized access to the application.


Remediation

Install update from vendor's website.