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CVE PROGRAM SOURCE RECORD8.1 High

CVE-2026-12666

IBM MQ Java messaging is vulnerable to XML external entity injection

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Status
Published
Published
Updated
Assigning organization
ibm

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

IBM MQ

  • 9.1.0.0 to ≤ 9.1.0.37 LTSaffected
  • 9.2.0.0 to ≤ 9.2.0.43 LTSaffected
  • 9.3.0.0 to ≤ 9.3.0.41 LTSaffected
  • 9.3.0.0 to ≤ 9.3.5.1 CDaffected
  • 9.4.0.0 to ≤ 9.4.0.25 LTSaffected
  • 9.4.0.0 to ≤ 9.4.5.1 CDaffected
  • 10.0.0.0affected

References