Vulnerability · Published Feb 17, 2026 · Assigned by ibm

CVE-2025-36247IBM Db2 XML External Entity Reference

High 7.1

In plain English

A high-severity XML external entity in Db2 for Linux, UNIX and Windows from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High

Exploit odds (30 days)0.3%top 71.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
IBM	Db2 for Linux, UNIX and Windows	11.5.0 – through 11.5.912.1.0 – through 12.1.3

Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

References

https://www.ibm.com/support/pages/node/7259961 patch, vendor-advisory