CVE-2026-18869

Medium

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions and access internal network services due to improper validation of FTP PORT and EPRT commands.

SeverityMedium

CVSS6.4

Exploit probability—

Product

PublishedSep 18, 2026

First seenSep 18, 2026

Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Patches

ibm.com/support/pages/node/7287873

Affected products

Product	Affected versions	Fixed in
ibm i	7.6, 7.5, 7.4, 7.3	—

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