CVE-2025-36247 HIGH

CVE-2025-36247: IBM Db2 XML External Entity Reference

Vendor Ibm
Product Db2 for Linux, UNIX and Windows
Weakness CWE-611 · XXE
Published February 17, 2026
Last update February 17, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

What the vulnerability does

01Description

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.

Key dates

02Disclosure timeline

February 17, 2026 CVE published
February 17, 2026 Record updated