CVE-2026-12550Medium· 5.4▾ SunlitIBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow an authenticated attacker to obtain sensitive information o…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.7 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.3%
IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow an authenticated attacker to obtain sensitive information or cause a denial of service due to improper validation of message selection parameters.
MQ >= 9.2.0.0 <= 9.2.0.44MQ >= 9.3.0.0 <= 9.3.0.42MQ >= 9.4.0.0 <= 9.4.0.26MQ >= 9.4.0.0 <= 9.4.5.1MQ >= 10.0.0.0 <= 10.0.0.5This issue was addressed under Known Issue DT500603.
IBM MQ version 9.2 LTS
Apply cumulative security update 9.2.0.46 https://www.ibm.com/support/pages/downloading-ibm-mq-92-lts
IBM MQ version 9.3 LTS
Apply cumulative security update 9.3.0.43 https://www.ibm.com/support/pages/downloading-ibm-mq-93-lts
IBM MQ version 9.4 LTS
Apply fix pack 9.4.0.30 https://www.ibm.com/support/pages/downloading-ibm-mq-94
IBM MQ version 10.0.LTS
Upgrade to IBM MQ version 10.0.0.6 https://www.ibm.com/support/pages/downloading-ibm-mq-100
IBM MQ version 9.4 CD and 10.0 CD
Upgrade to IBM MQ version 10.0.1.0 https://www.ibm.com/support/pages/downloading-ibm-mq-100
Connected by shared product, vendor, weakness, or advisory.
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