Arbitrary Command Execution Vulnerability in IBM AIX and PowerVM
CVE-2026-18824

8.4HIGH

Key Information:

Vendor

IBM
Status
Aix
Powervm ViOS
Vendor
CVE Published:
20 August 2026

What is CVE-2026-18824?

The vulnerability in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1 allows remote authenticated attackers to execute arbitrary commands. This issue arises from improper handling of special elements in OS commands, potentially allowing unauthorized actions that could impact system integrity and security.

Affected Version(s)

AIX 7.2

AIX 7.3

PowerVM VIOS 4.1

References

https://www.ibm.com/support/pages/node/7283858
vendor-advisorypatch

CVSS V3.1

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

CVE-2026-14970, CVE-2026-15061, CVE-2026-15078, CVE-2026-15065, CVE-2026-15068 were reported to IBM by Oneconsult AG (https://oneconsult.com/).
.