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High severity8.1NVD Advisory· Published Sep 15, 2026

CVE-2026-12666

CVE-2026-12666

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 Classes for Java could allow an authenticated attacker to obtain sensitive information or cause a denial of service due to XML external entity injection in MQRFH2 header processing.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

1
  • IBM/MQllm-fuzzy
    Range: 9.1.0.0-9.1.0.37 LTS, 9.2.0.0-9.2.0.43 LTS, 9.3.0.0-9.3.0.41 LTS, 9.3.0.0-9.3.5.1 CD, 9.4.0.0-9.4.0.25 LTS, 9.4.0.0-9.4.5.1 CD, 10.0.0.0

Patches

Vulnerability mechanics

References

1

News mentions

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