Auth bypass in Ibm I

CVE-2026-17099

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to obtain sensitive information due to improper authentication.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Ibm I — versions 7.6, 7.5, 7.4

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2026-17099?: CVE-2026-17099 is a high-severity vulnerability in Ibm I, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-08-13.
How severe is CVE-2026-17099?: High severity. CVSS v3 base score is 7.3 out of 10.