by Kastro
Paper/Archive/CVE-2026-10027

CVE-2026-10027

IBM MQ — IBM MQ queue manager is vulnerable to unauthenticated remote code execution

EPSS 0.8%CVSS 9.8
critical.is priorityof 100
41
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 56.4.564 × 2011.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

IBM MQ could allow a remote attacker to cause a denial of service or execute arbitrary code due to a buffer overflow when processing malformed compressed data on channels configured with compression enabled.

Affected

ProductAffectedFixed inSource
MQ9.1.0.0 – 9.1.0.37 LTS–CNA
MQ9.2.0.0 – 9.2.0.43 LTS–CNA
MQ9.3.0.0 – 9.3.0.41 LTS–CNA
MQ9.3.0.0 – 9.3.5.1 CD–CNA
MQ9.4.0.0 – 9.4.0.25 LTS–CNA
MQ9.4.0.0 – 9.4.5.1 CD–CNA
MQ10.0.0.0–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
ibm (CNA)8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

patchibm.com/support/pages/node/7284893