IBM Guardium is an enterprise data protection product; this flaw yields root command execution via CLI, risking full-system compromise across many organizations.
CVE-2026-84436
Authenticated CLI command injection in IBM Guardium allows root command execution.
Is CVE-2026-84436 being exploited?
Not confirmed. CVE-2026-84436 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-84436?
CVE-2026-84436 is rated Critical with a CVSS score of 9.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-84436?
Not known from our data. No patch reference has been recorded for CVE-2026-84436, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-84436 affect?
CVE-2026-84436 affects IBM Guardium Data Protection 12.2, Guardium appliances using certificate export CLI. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-84436?
Apply vendor patch ASAP; restrict/disable CLI access and review logs
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Privileged authenticated CLI user can perform command injection to execute arbitrary commands as root, leading to full system compromise.
Immediate action required
- affected12.2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.