SB2026071760 - Authentication Bypass by Alternate Name in IBM WebSphere Application Server and WebSphere Application Server Liberty
Published: July 17, 2026
Security Bulletin ID
SB2026071760
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- 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: 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/E:U/U:Amber
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.