What is CVE-2026-16879?

CVE-2026-16879 is a high-severity vulnerability in Ibm Db2 Mirror For I, classified under Improper Authorization. CVSS score: 8.8/10. Published 2026-08-14.

How severe is CVE-2026-16879?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Ibm Db2 Mirror For I

CVE-2026-16879

IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to bypass security restrictions due to improper authorization using user-supplied input.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

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

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

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

Frequently asked questions

What is CVE-2026-16879?: CVE-2026-16879 is a high-severity vulnerability in Ibm Db2 Mirror For I, classified under Improper Authorization. CVSS score: 8.8/10. Published 2026-08-14.
How severe is CVE-2026-16879?: High severity. CVSS v3 base score is 8.8 out of 10.