CVE-2026-11375 HIGH

CVE-2026-11375: IBM MQ queue manager is vulnerable to remote code execution

Vendor Ibm
Product MQ
Weakness CWE-122
Published September 18, 2026
Last update September 19, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a stack buffer overflow when processing XA transaction identifiers.

Key dates

02Disclosure timeline

September 18, 2026 CVE published
September 19, 2026 Record updated