CVE-2026-10858: critical vulnerability in IBM MQ for HPE NonStop
IBM MQ for HPE NonStop is vulnerable to a denial of service attack
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.9epss 0.6%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
IBM · MQ for HPE NonStopRelated CVEs — IBM MQ for HPE NonStop
In the same product, most dangerous first.
CVE-2020-4466MEDIUMCVE-2020-4466EPSS 1.4%CVE-2020-4376MEDIUMCVE-2020-4376EPSS 1.1%CVE-2024-51470MEDIUMIBM MQ denial of serviceEPSS 0.7%CVE-2022-40237MEDIUMIBM MQ for HPE NonStop denial of serviceEPSS 0.7%CVE-2026-11727HIGHIBM MQ for HPE NonStop is vulnerable to a denial of service issueEPSS 0.6%CVE-2026-11381HIGHIBM MQ for HPE NonStop is vulnerable to a denial of service issueEPSS 0.6%