CVE-2024-39742: IBM MQ Container authentication bypass

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-08 · updated 2026-06-17
Weakness: CWE-187

Description

IBM MQ Operator 3.2.2 and IBM MQ Operator 2.0.24 could allow a user to bypass authentication under certain configurations due to a partial string comparison vulnerability. IBM X-Force ID: 297169.

Affected products

IBM MQ Operator: from 2.0.0 before 2.0.24; from 2.2.0 through 2.2.2; from 2.3.0 through 2.3.3; from 2.4.0 through 2.4.8; from 3.1.0 through 3.1.3; from 3.2.0 before 3.2.2 — fixed in 2.0.24, 3.2.2

How to fix

Upgrade to a fixed version: IBM MQ Operator 2.0.24, 3.2.2. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/297169
https://www.ibm.com/support/pages/node/7159714
https://exchange.xforce.ibmcloud.com/vulnerabilities/297169
https://www.ibm.com/support/pages/node/7159714

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