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Vulnerability record · CVE-2026-12728 · published 15 September 2026

CVE-2026-12728: Deserialization of untrusted data vulnerability

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 execute arbitrary code due to a deserialization of untrusted data.

8.8 CVSS 3.1 High EPSS 0.39% · top 70.1% CWE-502 · Deserialization of untrusted data Awaiting Analysis
8.8CVSS 3.1 base score
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Sep 2026Last modified by NVD

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 execute arbitrary code due to a deserialization of untrusted data.

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/7284942

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Source: NIST National Vulnerability Database (record CVE-2026-12728), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.