CVE-2026-12538

medium

Description

IBM MQ 9.4.0.0 to 9.4.0.26, 9.4.1.0 to 9.4.5.3, and 10.0.0.1 to 10.0.0.5 could allow an authenticated attacker to obtain sensitive information or cause a denial of service due to improper validation of message header structure length fields.

References

https://www.ibm.com/support/pages/node/7293035

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-117072

Details

Source: Mitre, NVD

Published: 2026-11-04

Updated: 2026-11-09

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.4

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