# CVE-2026-84891: IBM Guardium Data Protection hard-coded credentials in Windows GIM

Source: https://junglewise.ai/threats/cve-2026-84891-ibm-guardium-data-protection-12-0-12-1-and-12-2-could-allow-a  
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-2026-84891 · Severity: medium · CVSS 5.9 · Published 2026-10-08

IBM Guardium Data Protection is a database security solution that monitors and protects sensitive data in enterprise environments. The Windows GIM (Guardian Information Monitor) component contains hard-coded credentials that allow remote attackers to gain unauthorized access and extract sensitive information without authentication.

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-2026-84891 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-84891 being exploited in the wild.

**How severe is CVE-2026-84891?** Medium severity, with a CVSS score of 5.9, published 8 October 2026.

**Which products and versions are affected?** IBM Guardium Data Protection 12.0, 12.1, 12.2.

**Is there a fix for CVE-2026-84891?** 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-2026-84891 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-84891?** 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 Windows GIM component of IBM Guardium Data Protection 12.0, 12.1, and 12.2 uses hard-coded credentials (CWE-798), enabling remote unauthenticated attackers to authenticate and access the component over the network. Successful exploitation allows an attacker to read sensitive information monitored by Guardium, such as database activity logs and protected data. IBM provides patches via their fix central portal.

## Affected products

- IBM Guardium Data Protection 12.0, 12.1, 12.2

## Timeline

- 2026-10-08: disclosed

## References

- [https://www.ibm.com/support/pages/node/7291675](https://www.ibm.com/support/pages/node/7291675)

## 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)
- [IBM Guardium Data Protection 12.0, 12.1, and 12.2 could allow a local attacker to obtain sensitive information due to…](https://junglewise.ai/threats/cve-2026-87980-ibm-guardium-data-protection-12-0-12-1-and-12-2-could-allow-a)