# CVE-2026-84075: IBM Guardium Data Protection authentication bypass in ChangeTrackerServlet

Source: https://junglewise.ai/threats/cve-2026-84075-ibm-guardium-data-protection-12-2-could-allow-a-remote-attacker  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-18. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-84075 · Severity: critical · CVSS 9.9 · Published 2026-09-18

IBM Guardium Data Protection is a database security platform that monitors and protects sensitive database activity. CVE-2026-84075 allows a remote attacker to bypass authentication controls in the ChangeTrackerServlet component, potentially gaining unauthorized access to database audit logs and security configurations without valid credentials. An attacker exploiting this could view, modify, or delete audit records to cover their tracks or alter security policies.

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-2026-84075 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-84075 being exploited in the wild.

**How severe is CVE-2026-84075?** Critical severity, with a CVSS score of 9.9, published 18 September 2026.

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

**Is there a fix for CVE-2026-84075?** 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-2026-84075 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-84075?** 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

The ChangeTrackerServlet in IBM Guardium Data Protection 12.2 lacks proper authentication enforcement, allowing unauthenticated network-based access. An attacker can send HTTP requests directly to this servlet endpoint to bypass security restrictions and manipulate change tracking functionality. No user interaction or elevated privileges are required; the vulnerability is directly reachable over the network.

## Affected products

- IBM Guardium Data Protection 12.2

## Timeline

- 2026-09-18: disclosed

## References

- [https://www.ibm.com/support/pages/node/7288040](https://www.ibm.com/support/pages/node/7288040)

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