CVE-2026-18869: 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…

PriorityP339medium6.4CVSS 3.1

AVNACLPRLUINSCCLILAN

EPSS

0.22%

13.0th percentile

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
ibm	i	—	—
ibm	i	—	—
ibm	i	—	—
ibm	i	—	—

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.