CVE-2026-1713
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Improper Access Control in IBM MQ Allows Privilege Escalation

Publication date: 2026-03-03

Last updated on: 2026-03-05

Assigner: IBM Corporation

Description
IBM MQ 9.1.0.0 through 9.1.0.33 LTS, 9.2.0.0 through 9.2.0.40 LTS, 9.3.0.0 through 9.3.0.36 LTS, 9.30.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.17 LTS, and 9.4.0.0 through 9.4.4.1 CD
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Meta Information
Published
2026-03-03
Last Modified
2026-03-05
Generated
2026-06-16
AI Q&A
2026-03-03
EPSS Evaluated
2026-06-15
NVD
CVE-2026-1713
EUVD
EUVD-2026-9319
Affected Vendors & Products
Showing 5 associated CPEs
Vendor Product Version / Range
ibm mq From 9.3.0.0 (inc) to 9.4.5.0 (exc)
ibm mq From 9.1.0.0 (inc) to 9.1.0.34 (exc)
ibm mq From 9.2.0.0 (inc) to 9.2.0.41 (exc)
ibm mq From 9.3.0.0 (inc) to 9.3.0.37 (exc)
ibm mq From 9.4.0.0 (inc) to 9.4.0.20 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-305 The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.
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Executive Summary

This vulnerability in IBM MQ allows unauthorized users to gain access to the SYSTEM.AUTH.DATA.QUEUE, which is a critical component related to authentication data.

It is classified as an authentication bypass vulnerability (CWE-305), meaning attackers can bypass normal authentication controls.

The vulnerability affects multiple IBM MQ versions across different platforms including Windows, AIX, Linux, and Solaris.

The CVSS v3.1 score is 5.5, indicating a moderate severity with a local attack vector, low complexity, and low privileges required, but with a high impact on integrity.

Impact Analysis

This vulnerability can allow an attacker with local access and low privileges to modify or tamper with authentication data in IBM MQ, potentially compromising the integrity of the system.

Although it does not impact confidentiality or availability, the high integrity impact means unauthorized changes could disrupt authentication mechanisms or allow further unauthorized actions.

Exploitation could lead to unauthorized access or manipulation of messaging queues, affecting the reliability and trustworthiness of message processing.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate the vulnerability in IBM MQ (CVE-2026-1713), you should apply the specific cumulative security updates or fix packs provided by IBM for your version of IBM MQ.

  • For IBM MQ 9.1 LTS, update to version 9.1.0.34.
  • For IBM MQ 9.2 LTS, update to version 9.2.0.41.
  • For IBM MQ 9.3 LTS, update to version 9.3.0.37.
  • For IBM MQ 9.4 LTS, update to version 9.4.0.20.
  • For IBM MQ 9.3 CD and 9.4 CD, upgrade to version 9.4.5.0 or later continuous delivery release.

No workarounds or alternative mitigations are provided, so applying the updates is the recommended immediate action.

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