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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (40.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- IBM Db2 Mirror For I — versions 7.4, 7.5, 7.6
- IBM Db2 Mirror For I
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/7283359 (vendor-advisory, patch, Vendor Advisory)
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.