Is CVE-2026-11375 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-11375?

CVE-2026-11375 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-11375

Description

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.