IBM MQ for HPE NonStop is vulnerable to a issue in MQINQ request validation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-10744
StatePUBLISHED
Assigneribm
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-18 16:17:04 UTC
Updated2026-09-19 04:17:50 UTC
DescriptionIBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to an integer overflow in MQINQ request validation.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

Problem Types: CWE-122 | CWE-122 CWE-122 Heap-based Buffer Overflow

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA IBM MQ For HPE NonStop affected 8.1.0 8.1.0.40 semver Not specified

References

ReferenceSourceLinkTags
www.ibm.com/support/pages/node/7287702 [email protected] www.ibm.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: IBM MQ V8.1 for HPE NonStop 8.1.0.40IT49923 Upgrade to CSU 8.1.0.41 https://www.ibm.com/support/fixcentral/swg/selectFixes IBM strongly recommends addressing this vulnerability now by installing CSU 8.1.0.41.

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