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

State: Published
Severity: 6.5 Medium
Published: Jun 30, 2026
Updated: Jul 1, 2026
Reserved: Jun 10, 2026

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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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	ibm

Weaknesses

CWE-1284 Improper Validation of Specified Quantity in Input

Affected Products

Product	Versions
Db2IBM	11.5.0 through 11.5.9Affected 12.1.0 through 12.1.4Affected

References

https://www.ibm.com/support/pages/node/7277423vendor-advisorypatch

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