Unauthenticated gRPC Access Control Bypass in WAS Liberty 20.0.0.12-26.0.0.10
CVE-2026-93895 Published on October 13, 2026
IBM WebSphere Application Server Liberty Improper Access Control
IBM WebSphere Application Server - Liberty 20.0.0.12 through 26.0.0.10 could allow an unauthenticated remote attacker to bypass access controls configured on gRPC service methods.
Vulnerability Analysis
CVE-2026-93895 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
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-93895 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-93895
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Affected Versions
IBM WebSphere Application Server - Liberty:- Version 20.0.0.12, <= 26.0.0.10 is affected.