CVE-2026-86093 IBM Db2 - Command Injection

IBM Db2 11.5.0 through 11.5.9 and 12.1.0 through 12.1.5 contain a command injection caused by a stack-based buffer overflow in DRDA server endpoint handling, letting attackers execute arbitrary commands on clients, exploit requires control or impersonation of DRDA server endpoint.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.45% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
10 September 2026
Updated
15 October 2026
Weakness
CWE-121

Vendor fix

Update to versions later than 11.5.9 and 12.1.5 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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