CVE-2026-11831

medium

Description

IBM MQ could allow an authenticated attacker to cause a limited denial of service and obtain very limited information about process memory layout due to an out-of-bounds read when processing a specially crafted client request.

References

https://www.ibm.com/support/pages/node/7292667

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-104471

Details

Source: Mitre, NVD

Published: 2026-10-19

Updated: 2026-10-20

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.4

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L