CVE-2026-12148

highpriority · track · 35EPSS 0.004 · 34 %ileUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.40% (34th) EPSS

CVSS 8.8 · high

Is it mine?

67 products

Check your exposure

Who says so?

1 sources

nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · psirt@us.ibm.com USexploitability 1.6 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USCWE-502US

affected products (67)

Products and version ranges known to be affected.

ibm mq operator2.0.0 → 2.0.29nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator3.2.0 → 3.2.29nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.3.0nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.4.0nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.4.1nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.5.0nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.5.1nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.5.2nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.5.3nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.6.0nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.6.1nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.6.2nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.6.3nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.6.4nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.7.0nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.7.1nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.7.2nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.8.0nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.8.1nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*
ibm mq operator= 3.9.0nvdUScpe:2.3:a:ibm:mq_operator:*:*:*:*:*:*:*:*

showing 20 of 67

sources

Which sources assert this record, and when.

nvd NVD CVE.org MITRE

published 2026-10-19modified 2026-10-23

references (1) nvd

External citations — patches, advisories, analysis.

https://www.ibm.com/support/pages/node/7292667Vendor Advisory

scry

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