CVE-2026-12350
Awaiting Analysis Awaiting Analysis - Queue

Denial of Service in IBM MQ via Malformed Consume Request

Publication date: 2026-10-19

Last updated on: 2026-10-23

Assigner: IBM Corporation

Description
IBM MQ could allow an authenticated attacker to cause a denial of service by sending a specially crafted asynchronous consume request that crashes the queue manager agent process.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-19
Last Modified
2026-10-23
Generated
2026-11-08
AI Q&A
2026-10-19
EPSS Evaluated
2026-11-07
NVD
CVE-2026-12350
EUVD
EUVD-2026-104467

Affected Vendors & Products

Showing 109 associated CPEs
Vendor Product Version / Range
ibm mq_operator From 2.0.0 (inc) to 2.0.29 (inc)
ibm mq_operator 3.3.0
ibm mq_operator 3.4.0
ibm mq_operator 3.4.1
ibm mq_operator 3.5.0
ibm mq_operator 3.5.1
ibm supplied_mq_advanced_container_images 9.4.1.0
ibm supplied_mq_advanced_container_images 9.4.1.0
ibm supplied_mq_advanced_container_images 9.4.1.1
ibm supplied_mq_advanced_container_images 9.4.2.0
ibm supplied_mq_advanced_container_images 9.4.2.0
ibm supplied_mq_advanced_container_images 9.4.2.1
ibm supplied_mq_advanced_container_images 9.4.2.1
ibm supplied_mq_advanced_container_images 9.4.3.0
ibm mq_operator From 3.2.0 (inc) to 3.2.29 (inc)
ibm mq_operator 3.5.2
ibm mq_operator 3.5.3
ibm mq_operator 3.6.0
ibm mq_operator 3.6.1
ibm mq_operator 3.6.2
ibm mq_operator 3.6.3
ibm mq_operator 3.6.4
ibm mq_operator 3.7.0
ibm mq_operator 3.7.1
ibm mq_operator 3.7.2
ibm mq_operator 3.8.0
ibm mq_operator 3.8.1
ibm mq_operator 3.9.0
ibm mq_operator 3.9.1
ibm mq_operator 3.9.2
ibm mq_operator 4.0.0
ibm mq_operator 4.0.1
ibm mq_operator 4.0.2
ibm mq_operator 4.0.3
ibm mq_operator 4.0.4
ibm supplied_mq_advanced_container_images 10.0.0.0
ibm supplied_mq_advanced_container_images 10.0.0.0
ibm supplied_mq_advanced_container_images 10.0.0.0
ibm supplied_mq_advanced_container_images 10.0.0.0
ibm supplied_mq_advanced_container_images 10.0.0.5
ibm supplied_mq_advanced_container_images 9.4.3.0
ibm supplied_mq_advanced_container_images 9.4.3.1
ibm supplied_mq_advanced_container_images 9.4.3.1
ibm supplied_mq_advanced_container_images 9.4.3.1
ibm supplied_mq_advanced_container_images 9.4.4.0
ibm supplied_mq_advanced_container_images 9.4.4.0
ibm supplied_mq_advanced_container_images 9.4.4.0
ibm supplied_mq_advanced_container_images 9.4.4.0
ibm supplied_mq_advanced_container_images 9.4.4.1
ibm supplied_mq_advanced_container_images 9.4.5.0
ibm supplied_mq_advanced_container_images 9.4.5.0
ibm supplied_mq_advanced_container_images 9.4.5.1
ibm supplied_mq_advanced_container_images 9.3.0.0
ibm supplied_mq_advanced_container_images 9.3.0.0
ibm supplied_mq_advanced_container_images 9.3.0.0
ibm supplied_mq_advanced_container_images 9.3.0.1
ibm supplied_mq_advanced_container_images 9.3.0.1
ibm supplied_mq_advanced_container_images 9.3.0.1
ibm supplied_mq_advanced_container_images 9.3.0.1
ibm supplied_mq_advanced_container_images 9.3.0.10
ibm supplied_mq_advanced_container_images 9.3.0.10
ibm supplied_mq_advanced_container_images 9.3.0.11
ibm supplied_mq_advanced_container_images 9.3.0.11
ibm supplied_mq_advanced_container_images 9.3.0.15
ibm supplied_mq_advanced_container_images 9.3.0.16
ibm supplied_mq_advanced_container_images 9.3.0.16
ibm supplied_mq_advanced_container_images 9.3.0.17
ibm supplied_mq_advanced_container_images 9.3.0.17
ibm supplied_mq_advanced_container_images 9.3.0.17
ibm supplied_mq_advanced_container_images 9.3.0.20
ibm supplied_mq_advanced_container_images 9.3.0.20
ibm supplied_mq_advanced_container_images 9.3.0.3
ibm supplied_mq_advanced_container_images 9.3.0.4
ibm supplied_mq_advanced_container_images 9.3.0.4
ibm supplied_mq_advanced_container_images 9.3.0.5
ibm supplied_mq_advanced_container_images 9.3.0.5
ibm supplied_mq_advanced_container_images 9.3.0.5
ibm supplied_mq_advanced_container_images 9.3.0.6
ibm supplied_mq_advanced_container_images 9.3.0.21
ibm supplied_mq_advanced_container_images 9.3.0.21
ibm supplied_mq_advanced_container_images 9.3.0.21
ibm supplied_mq_advanced_container_images 9.3.0.25
ibm supplied_mq_advanced_container_images 9.4.0.0
ibm supplied_mq_advanced_container_images 9.4.0.0
ibm supplied_mq_advanced_container_images 9.4.0.0
ibm supplied_mq_advanced_container_images 9.4.0.5
ibm supplied_mq_advanced_container_images 9.4.0.5
ibm supplied_mq_advanced_container_images 9.4.0.10
ibm supplied_mq_advanced_container_images 9.4.0.10
ibm supplied_mq_advanced_container_images 9.4.0.11
ibm supplied_mq_advanced_container_images 9.4.0.11
ibm supplied_mq_advanced_container_images 9.4.0.6
ibm supplied_mq_advanced_container_images 9.4.0.6
ibm supplied_mq_advanced_container_images 9.4.0.7
ibm supplied_mq_advanced_container_images 9.4.0.11
ibm supplied_mq_advanced_container_images 9.4.0.12
ibm supplied_mq_advanced_container_images 9.4.0.12
ibm supplied_mq_advanced_container_images 9.4.0.15
ibm supplied_mq_advanced_container_images 9.4.0.15
ibm supplied_mq_advanced_container_images 9.4.0.16
ibm supplied_mq_advanced_container_images 9.4.0.16
ibm supplied_mq_advanced_container_images 9.4.0.17
ibm supplied_mq_advanced_container_images 9.4.0.17
ibm supplied_mq_advanced_container_images 9.4.0.20
ibm supplied_mq_advanced_container_images 9.4.0.21
ibm supplied_mq_advanced_container_images 9.4.0.21
ibm supplied_mq_advanced_container_images 9.4.0.25
ibm supplied_mq_advanced_container_images 9.4.0.25
ibm supplied_mq_advanced_container_images 9.4.0.26

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability in IBM MQ allows an authenticated attacker to disrupt service by sending a specially crafted request that crashes the queue manager agent process, causing a denial of service.

Detection Guidance

This vulnerability involves an authenticated attacker causing a denial of service via a crafted asynchronous consume request. Detection may involve monitoring for crashes in the queue manager agent process or unusual network traffic patterns targeting IBM MQ services.

Impact Analysis

If exploited, this flaw could lead to system downtime, disrupting message processing and potentially affecting dependent applications or services relying on IBM MQ.

Compliance Impact

This vulnerability could impact compliance by causing service disruptions that may lead to data processing delays or failures, potentially violating availability requirements in standards like GDPR and HIPAA.

Mitigation Strategies

Apply the latest IBM MQ security patches or updates as soon as they become available to address the denial of service vulnerability caused by crafted asynchronous consume requests.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-12350. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart

Security Radar

News mentioning this vulnerability
Loading related security news...