CVE-2026-84440: ibm guardium data protection OS Command Injection

Vulnerability summary

CVE-2026-84440 is a high (CVSS 8.8) OS Command Injection vulnerability in ibm guardium data protection. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 54% 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 SNMP alert notification functionality. An authenticated attacker who can influence policy alert text can cause attacker-controlled data to be executed as operating system commands by the SNMP alerter service, which runs 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.