MajorCritical vulnerability

CVE-2026-10027 (CVSS 8.1)

NVD · officialPublished Sep 18, 2026Risk 37/100EPSS 0.4%

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.

Technical details

CVSS

8.1

AV:NetworkAC:HighPR:NoneUI: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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