CVE-2026-17220 HIGH

CVE-2026-17220: IBM i is Affected By Multiple Vulnerabilities in Host Servers

Vendor Ibm
Product i
Weakness CWE-120
Published August 13, 2026
Last update August 13, 2026
View on NVD All CVEs

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

What the vulnerability does

01Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and modify authentication metadata due to a buffer overflow.

Key dates

02Disclosure timeline

August 13, 2026 CVE published
August 13, 2026 Record updated