CVE-2026-84414 IBM i - Broken Access Control

IBM i 7.6, 7.5, 7.4, and 7.3 contain a broken access control vulnerability caused by improper validation of attacker-controlled file paths, letting local authenticated attackers change ownership of arbitrary files.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.09% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering, Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
29 September 2026
Updated
15 October 2026
Weakness
CWE-732

Vendor fix

Update to the latest available version of IBM i.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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