Vulnerability in IBM I
CVE-2026-18065
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote unauthenticated attacker to gain access to sensitive information through session IP binding bypass in Navigator for i.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Ibm I — versions 7.3, 7.4, 7.5
Weakness classification (CWE)
References
- psirt@us.ibm.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-18065?
- CVE-2026-18065 is a medium-severity vulnerability in IBM I, classified under Authentication Bypass by Spoofing. CVSS score: 5.3/10. Published 2026-09-14.
- How severe is CVE-2026-18065?
- Medium severity. CVSS v3 base score is 5.3 out of 10.