CVE-2026-11726 — HIGH (8.1)

Vulnerability Description

IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to obtain sensitive information or cause a denial of service due to improper validation of message header offset values.

CVSS Score

8.1

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-125

References

https://www.ibm.com/support/pages/node/7287707

FAQ

What is CVE-2026-11726?

CVE-2026-11726 is a vulnerability with a CVSS score of 8.1 (HIGH). IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to obtain sensitive information or cause a denial of service due to improper validation of message header offset val...

How severe is CVE-2026-11726?

CVE-2026-11726 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-11726?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.