IBM WebSphere App Server Liberty 17.0.0.3-26.0.0.10 Auth Bypass via samlWeb-2.0
CVE-2026-93909 Published on October 13, 2026
IBM WebSphere Application Server Liberty is affected by an authentication bypass
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 is vulnerable by an authentication bypass vulnerability when samlWeb-2.0 feature is enabled.
Vulnerability Analysis
CVE-2026-93909 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Session Fixation
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
Products Associated with CVE-2026-93909
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Affected Versions
IBM WebSphere Application Server - Liberty:- Version 17.0.0.3, <= 26.0.0.10 is affected.