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.
https://www.ibm.com/support/pages/node/7292228
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-100497
Source: Mitre, NVD
Published: 2026-10-13
Updated: 2026-10-17
Base Score: 9.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N
Severity: High
Base Score: 9.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: Critical
EPSS: 0.00445