XML External Entity injection in IBM DB2 LUW - CVE-2025-36247

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Main Vulnerability Database Vulnerabilities #VU122743

XML External Entity injection in IBM DB2 LUW - CVE-2025-36247

Published: February 12, 2026


Vulnerability identifier: #VU122743
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-36247
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.


Affected software

IBM DB2 LUW
IBM Security Guardium Key Lifecycle Manager (GKLM)
WebSphere Remote Server
IBM Cloud Application Performance Management (APM)
IBM OpenPages with Watson
Db2 Big SQL

How to mitigate CVE-2025-36247

Install updates from vendor's website.

IBM OpenPages with Watson - update to 9.1.3
IBM Cloud Application Performance Management (APM) - update to 8.1.4.0.18
Db2 Big SQL - update to 8.3.1 patch 4

External References

Related Security Bulletins