CVE-2026-12148

EUVD-2026-104470
IBM MQ Operator could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to unrestricted Java deserialization in the MQ Classes for Java.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ibmCNA
7.5 HIGH
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 20.16%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
ibmmq_operator
3.2.0 ≤
𝑥
≤ 3.2.29
CNA
ibmmq_operator
3.3.0 ≤
𝑥
< 3.4.0
CNA
ibmmq_operator
3.4.1
CNA
ibmmq_operator
3.5.0
CNA
ibmmq_operator
3.5.1 ≤
𝑥
≤ 3.5.3
CNA
ibmmq_operator
3.6.0 ≤
𝑥
≤ 3.6.4
CNA
ibmmq_operator
3.7.0 ≤
𝑥
≤ 3.7.2
CNA
ibmmq_operator
3.8.0
CNA
ibmmq_operator
3.8.1
CNA
ibmmq_operator
3.9.0
CNA
ibmmq_operator
3.9.1
CNA
ibmmq_operator
3.9.2
CNA
ibmmq_operator
4.0.0
CNA
ibmmq_operator
4.0.1
CNA
ibmmq_operator
4.0.2
CNA
ibmmq_operator
4.0.3
CNA
ibmmq_operator
4.0.4
CNA
ibmmq_operator
2.0.0 ≤
𝑥
≤ 2.0.29
CNA
Common Weakness Enumeration
References
https://www.ibm.com/support/pages/node/7292667