CVE-2026-10109

EUVD-2026-40406
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.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ibmCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
ibmdb2
11.5.0 ≤
𝑥
≤ 11.5.9
CNA
ibmdb2
12.1.0 ≤
𝑥
≤ 12.1.4
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://www.ibm.com/support/pages/node/7277424