RCE in Ibm I

CVE-2026-16856

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.

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Ibm I — versions 7.6, 7.5

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16856?
CVE-2026-16856 is a high-severity vulnerability in Ibm I, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-08-12.
How severe is CVE-2026-16856?
High severity. CVSS v3 base score is 8.8 out of 10.