CVE-2026-10027

IBM MQ queue manager is vulnerable to unauthenticated remote code execution

State: Published
Severity: 8.1 High
Published: Sep 18, 2026
Updated: Sep 21, 2026
Reserved: May 28, 2026

Description

IBM MQ could allow a remote attacker to cause a denial of service or execute arbitrary code due to a buffer overflow when processing malformed compressed data on channels configured with compression enabled.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	ibm

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
MQIBM	9.1.0.0 through 9.1.0.37 LTSAffected 9.2.0.0 through 9.2.0.43 LTSAffected 9.3.0.0 through 9.3.0.41 LTSAffected 9.3.0.0 through 9.3.5.1 CDAffected 9.4.0.0 through 9.4.0.25 LTSAffected 9.4.0.0 through 9.4.5.1 CDAffected 10.0.0.0Affected

References

https://www.ibm.com/support/pages/node/7284893vendor-advisorypatch

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.