HIGH

CVE-2026-12354

CVSS v3

7.5

HIGH

EPSS Score

0.3 %

exploit probability, as of 2026-09-28

CISA KEV

known exploited

Exploitation

—

SSVC status

Description

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 execute arbitrary code on the application server due to improper validation of JNDI names in the Resource Adapter Installation Verification Test application.

Technical details

Published: 2026-09-15
Last Modified: 2026-09-16

Frequently asked questions

What is CVE-2026-12354?

Is CVE-2026-12354 actively exploited?

Active exploitation of CVE-2026-12354 has not been confirmed. Its EPSS score was 0.3% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-12354?

CVE-2026-12354 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2026-12354 affecting your environment?

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