MajorCritical vulnerability

CVE-2026-11375 (CVSS 8.8)

NVD · officialPublished Sep 18, 2026Risk 37/100EPSS 0.6%

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a stack buffer overflow when processing XA transaction identifiers.

Technical details

CVSS

8.8

AV:NetworkAC:LowPR:LowUI:NoneC:HighI:HighA:High

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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