# CVE-2026-84249: IBM Guardium Data Protection missing authentication for critical function

Source: https://junglewise.ai/threats/cve-2026-84249-ibm-guardium-data-protection-12-2-and-12-2-2-could-allow-a-remote  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-08. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-84249 · Severity: critical · CVSS 9.8 · Published 2026-10-08

IBM Guardium Data Protection is a database security and monitoring platform that controls and audits access to sensitive data. A remote attacker can execute arbitrary management operations without authentication, allowing complete compromise of the system including data exfiltration, modification, and denial of service.

Technologies: [IBM Guardium Data Protection](https://junglewise.ai/threats/technologies/guardium-data-protection). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-84249 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-84249 being exploited in the wild.

**How severe is CVE-2026-84249?** Critical severity, with a CVSS score of 9.8, published 8 October 2026.

**Which products and versions are affected?** IBM Guardium Data Protection 12.1, 12.2, 12.2.2.

**Is there a fix for CVE-2026-84249?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-84249 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-84249?** Check whether you run IBM Guardium Data Protection at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

Missing authentication (CWE-306) in a critical management function allows unauthenticated remote attackers to perform arbitrary administrative operations on the Guardium platform. The vulnerability requires only network access with no user interaction or special privileges. An attacker gains full control over the data protection system, including the ability to disable monitoring, alter audit logs, or access protected databases.

## Affected products

- IBM Guardium Data Protection 12.1, 12.2, 12.2.2

## Timeline

- 2026-09-17: disclosed
- 2026-10-08: advisory

## References

- [https://www.ibm.com/support/pages/node/7288036](https://www.ibm.com/support/pages/node/7288036)

## Related threats

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- [IBM Guardium Data Protection argument injection](https://junglewise.ai/threats/cve-2026-82830-ibm-guardium-data-protection-12-2-4-could-allow-a-remote)
- [IBM Guardium Data Protection hard-coded cryptographic key exposure](https://junglewise.ai/threats/cve-2026-82891-ibm-guardium-data-protection-12-1-and-12-2-could-allow-a-remote)
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