CVE-2026-10858
IBM MQ for HPE NonStop is vulnerable to a denial of service attack
CVSS Score
9.9
EPSS Score
0.0%
EPSS Percentile
0th
IBM 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 execute arbitrary code due to a heap buffer underflow when processing multi-segment messages.
| CWE | CWE-122 |
| Vendor | ibm |
| Product | mq for hpe nonstop |
| Published | Sep 18, 2026 |
| Last Updated | Sep 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
IBM / MQ for HPE NonStop
8.1.0 ≤ 8.1.0.40