Vulnerability · Published Sep 18, 2026 · Assigned by ibm
CVE-2026-17262IBM i is Affected By Denial of Service and Security Restriction Bypass Vulnerabilities in FTP [, ]
Medium 5.4
In plain English
A medium-severity OS command injection in i from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 77.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to cause a denial of service due to improper validation of FTP authentication commands.
Affected products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
References
- https://www.ibm.com/support/pages/node/7287873 vendor-advisory, patch