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IBMCVE-2026-18869

IBM i: server-side request forgery

Medium6.4CVE-2026-18869 · Published Sep 18, 2026 · updated Sep 22, 2026

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.

IBM advisory

Affected versions

PackageAffectedFixed in
i
Product
<= 7.6No fix yet
<= 7.5No fix yet
<= 7.4No fix yet
<= 7.3No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-918

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