CVE-2026-18869 — MEDIUM (6.4)

Vulnerability 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.

CVSS Score

6.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-918

References

https://www.ibm.com/support/pages/node/7287873

FAQ

What is CVE-2026-18869?

CVE-2026-18869 is a vulnerability with a CVSS score of 6.4 (MEDIUM). 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.

How severe is CVE-2026-18869?

CVE-2026-18869 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18869?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.