Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2026-12727

IBM MQ could allow an authenticated attacker to cause potential process instability due to an off-by-one buffer overflow when processing specially crafted object names.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.3, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts and limited availability for affected systems. Impacting 2 products from ibm, from ibm organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2026-10-19T17:17:19.770

Last Modified

2026-10-23T17:08:10.487

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

Weaknesses

Type: Primary
CWE-193

Affected Vendors & Products

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

References

https://www.ibm.com/support/pages/node/7292667 Vendor Advisory ([email protected])

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For ibm's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.