PT-2026-53954

CVE-2026-10109

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Published

2026-06-30

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Updated

2026-10-21

Description by

CVSS 3.1
9.8
Critical
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions IBM Db2 versions 11.5.0 through 11.5.9 IBM Db2 versions 12.1.0 through 12.1.4
Description Remote code execution is possible due to improper handling of the pre-authentication DRDA (Distributed Relational Database Architecture) handshake. This flaw allows an attacker to execute code on the system before authentication is completed.
Recommendations Update IBM Db2 versions 11.5.0 through 11.5.9 to the latest patched version. Update IBM Db2 versions 12.1.0 through 12.1.4 to the latest patched version.
Exploitability
Fix
Impacts
Vendors
Affected products
Weakness enumeration
CWE-94: Improper Control of Generation of Code (\'Code Injection\')
Related identifiers
CVE-2026-10109
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