Is CVE-2026-18166 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-18166?

CVE-2026-18166 has a CVSS v3 severity of HIGH (7.7).

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CVE-2026-18166

Description

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a remote authenticated attacker to obtain sensitive information due to improper authorization when using the CREATE WRAPPER command.