# CVE-2026-84032: IBM Guardium Data Protection improper certificate validation

Source: https://junglewise.ai/threats/cve-2026-84032-ibm-guardium-data-protection-12-2-2-could-allow-a-remote-attacker  
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-2026-84032 · Severity: medium · CVSS 5.6 · Published 2026-10-08

IBM Guardium Data Protection, which protects sensitive data in enterprise databases, fails to properly validate SSL/TLS certificates. An attacker positioned on the network between a user and the system could intercept and forge communications, potentially exposing sensitive data or injecting malicious commands.

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-2026-84032 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-84032 being exploited in the wild.

**How severe is CVE-2026-84032?** Medium severity, with a CVSS score of 5.6, published 8 October 2026.

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

**Is there a fix for CVE-2026-84032?** Yes: fixed in 12.2.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-84032 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-84032?** 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.

## How to fix

- Fixed in 12.2.3

## Technical details

A man-in-the-middle vulnerability caused by improper certificate validation (CWE-295) allows a network attacker without authentication to intercept encrypted communications. The attack requires moderate complexity (AC:H per CVSS vector) but results in confidentiality, integrity, and availability impact. A fix is available in version 12.2.3.

## Affected products

- IBM Guardium Data Protection 12.2.2

## Timeline

- 2026-10-08: disclosed

## References

- [https://www.ibm.com/support/pages/node/7288627](https://www.ibm.com/support/pages/node/7288627)

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