Riskcovery

CVE-2026-11728

IBM MQ .NET client is vulnerable to remote code execution

State
Published
Severity
8.1 High
Published
Sep 15, 2026
Updated
Sep 16, 2026
Reserved
Jun 9, 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 a remote attacker to cause a denial of service or potentially execute arbitrary code in the client due to a heap buffer overflow when receiving messages from a malicious queue manager or through a man-in-the-middle attack.

Scores

CVSSScoreVectorSource
3.18.1 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hibm

Weaknesses

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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