---
id: CVE-2026-93895
title: >-
  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.
summary: >-
  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.
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-284
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T21:19:57.743'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93895'
references:
  - url: 'https://www.ibm.com/support/pages/node/7292228'
    label: psirt@us.ibm.com
tags:
  - nvd
ingestedAt: '2026-10-13T21:58:14.196Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.