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Vulnerability record · CVE-2026-11381 · published 18 September 2026

CVE-2026-11381: Heap-based buffer overflow vulnerability

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of message distribution list structures.

8.8 CVSS 3.1 High EPSS 0.33% · top 76.6% CWE-122 · Heap-based buffer overflow Awaiting Analysis
8.8CVSS 3.1 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
19 Sep 2026Last modified by NVD

Description

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of message distribution list structures.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://www.ibm.com/support/pages/node/7287706

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Source: NIST National Vulnerability Database (record CVE-2026-11381), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.