CVE-2026-11906 IBM® Db2® federated server is vulnerable to a denial of service due to improper neutralization of special elements in the data query logic of XMLTable-derived columns by autheticated user

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...

CVE-2026-11906

CVE-2026-11906 affects IBM Db2 for Linux, UNIX and Windows (11.5.0–11.5.9; 12.1.0–12.1.4; includes Db2 Connect Server) and is triggered by improper neutralization of special elements in the data query logic of XMLTable-derived columns. An authenticated user can cause a denial of service via this ...