cbcvebase.
CVE-2026-12667
published 2026-09-15

CVE-2026-12667: IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS…

PriorityP340high7.1CVSS 3.1
AVNACLPRLUINSUCHINAL
EPSS
0.27%
17.4th percentile
IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow an authenticated attacker to read files from a vulnerable .NET client or cause limited denial of service due to improper handling of XML external entities in RFH2 folder parsing.

Affected

5 ranges
VendorProductVersion rangeFixed in
ibmmq——
ibmmq9.1.0.0 – 9.1.0.37 LTS—
ibmmq9.2.0.0 – 9.2.0.43 LTS—
ibmmq9.3.0.0 – 9.3.0.41 LTS—
ibmmq9.4.0.0 – 9.4.0.25 LTS—
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