CVE-2026-84436: ibm guardium data protection OS Command Injection

Vulnerability summary

CVE-2026-84436 is a critical (CVSS 9.1) OS Command Injection vulnerability in ibm guardium data protection. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 51.6% of scored vulnerabilities.

Timeline

1. 29-09-2026
   PublishedVulnerability first disclosed.
2. 30-09-2026
   Last modifiedVulnerability information updated.

Description

IBM Guardium Data Protection 12.2 is vulnerable to command injection in the certificate export CLI functionality, allowing a privileged authenticated CLI user to execute arbitrary commands with root privileges.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.