CVE-2026-10109

CRITICAL

IBM® Db2® is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling

Title source: cna
STIX 2.1

Description

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
https://www.ibm.com/support/pages/node/7277424

Scores

CVSS v3 9.8
EPSS 0.0086
EPSS Percentile 54.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-94
Status published
Products (3)
IBM/Db2 11.5.0 - 11.5.9
ibm/db2 11.5.0 - 11.5.9
IBM/Db2 12.1.0 - 12.1.4
Published Jun 30, 2026
Tracked Since Jul 01, 2026