CVE-2026-12667

IBM MQ .NET client is vulnerable to XML external entity injection

State
Published
Severity
7.1 High
Published
Sep 15, 2026
Updated
Sep 15, 2026
Reserved
Jun 18, 2026

Read the record on cve.org

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 could allow an authenticated attacker to read files from a vulnerable .NET client or cause limited denial of service due to improper handling of XML external entities in RFH2 folder parsing.

Scores

CVSSScoreVectorSource
3.17.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Libm

Weaknesses

  • CWE-611 Improper Restriction of XML External Entity Reference

Affected Products

ProductVersions
MQIBM
  • 9.1.0.0 through 9.1.0.37 LTSAffected
  • 9.2.0.0 through 9.2.0.43 LTSAffected
  • 9.3.0.0 through 9.3.0.41 LTSAffected
  • 9.3.0.0 through 9.3.5.1 CDAffected
  • 9.4.0.0 through 9.4.0.25 LTSAffected
  • 9.4.0.0 through 9.4.5.1 CDAffected
  • 10.0.0.0Affected

References

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