Affects widely used enterprise data-protection product (IBM Guardium). Unauthenticated management operations allow broad control and data exposure, likely high-impact across organizations.
CVE-2026-84249
Auth bypass enables remote management command execution in IBM Guardium 12.2/12.2.2
Is CVE-2026-84249 being exploited?
Not confirmed. CVE-2026-84249 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. EPSS currently estimates a 0.41% probability of exploitation in the next 30 days.
How severe is CVE-2026-84249?
CVE-2026-84249 is rated Critical with a CVSS score of 9.8. 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-2026-84249?
Not known from our data. No patch reference has been recorded for CVE-2026-84249, 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-2026-84249 affect?
CVE-2026-84249 affects IBM Guardium Data Protection 12.2, IBM Guardium Data Protection 12.2.2, Guardium appliances/virtual appliances. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-84249?
Isolate management interfaces, restrict access, monitor logs; apply vendor patch immediately when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote execution of management operations; attacker can change configs, disable protections, and access or exfiltrate protected data.
Immediate action required
- affected12.2
- affected12.2.2
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.