Is CVE-2026-11906 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-11906?

CVE-2026-11906 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-11906

Description

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in the data query logic of XMLTable-derived columns.