What is CVE-2026-17182?

CVE-2026-17182 is a critical-severity vulnerability in IBM Db2 Mirror For I, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-08-14.

How severe is CVE-2026-17182?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in IBM Db2 Mirror For I

CVE-2026-17182

IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to bypass authentication and obtain or alter sensitive information due to improper validation of request URI path segments.

Vulnerability class: Broken Authentication

Published 2026-08-14 · last modified 2026-08-20.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003

Affected products

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

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.ibm.com/support/pages/node/7283359 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-17182?: CVE-2026-17182 is a critical-severity vulnerability in IBM Db2 Mirror For I, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-08-14.
How severe is CVE-2026-17182?: Critical severity. CVSS v3 base score is 9.8 out of 10.