Vulnerability · Published Aug 12, 2026 · Assigned by ibm

CVE-2026-16856IBM i is Affected By Multiple Vulnerabilities in Domain Name System

High 8.8

In plain English

A high-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 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 56.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

IBM i 7.6, and 7.5 could allow a local attacker to gain elevated privileges due to improper neutralization of special elements used in an OS command.

Affected products (as reported)

VendorProductVersions
IBM i 7.67.5

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References