CVE-2026-12155

EUVD-2026-104469
IBM MQ could allow an authenticated attacker to cause a denial of service by sending specially crafted multicast status messages that trigger a NULL pointer dereference.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ibmCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 15.93%
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