What is CVE-2026-17186?

CVE-2026-17186 is a critical-severity vulnerability in Ibm Db2 Mirror For I, classified under OS Command Injection. CVSS score: 9.9/10. Published 2026-08-14.

How severe is CVE-2026-17186?

Critical severity. CVSS v3 base score is 9.9 out of 10.

RCE in Ibm Db2 Mirror For I

CVE-2026-17186

IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to execute arbitrary CL commands due to improper neutralization of special elements in a command.

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H.

Affected products

Ibm Db2 Mirror For I — versions 7.4, 7.5, 7.6

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-17186?: CVE-2026-17186 is a critical-severity vulnerability in Ibm Db2 Mirror For I, classified under OS Command Injection. CVSS score: 9.9/10. Published 2026-08-14.
How severe is CVE-2026-17186?: Critical severity. CVSS v3 base score is 9.9 out of 10.