6.4
MEDIUM CVSS 3.1
CVE-2026-18869
IBM i is Affected By Denial of Service and Security Restriction Bypass Vulnerabilities in FTP [, ]
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.

INFO

Published Date :

Sept. 18, 2026, 7:21 p.m.

Last Modified :

Sept. 18, 2026, 7:21 p.m.

Remotely Exploit :

Yes !

Source :

ibm
Affected Products

The following products are affected by CVE-2026-18869 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ibm i
2 Ibm i
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 9a959283-ebb5-44b6-b705-dcc2bbced522
Solution
Update IBM i to address FTP command validation bypass vulnerability.
  • Apply the latest cumulative update for your IBM i version.
  • Verify FTP server configuration settings.
  • Restrict access to internal network services.
  • Monitor network traffic for suspicious activity.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-18869 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.