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CVE-2026-84082 – Unauthenticated SQL Injection (RCE-capable Data Compromise) – IBM Guardium Data Pro

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Summary

CVE-2026-84082 is a critical, unauthenticated SQL injection vulnerability in IBM Guardium Data Protection 12.2 caused by improper neutralization of special elements used in SQL commands (CWE-89). A remote, unauthenticated attacker who can reach the vulnerable interface over the network can inject and execute arbitrary SQL commands against the underlying database. The flaw carries a CVSS v3.1 base score of 9.8 (Critical), reflecting network exploitability with no authentication or user interaction required and full compromise of confidentiality, integrity, and availability.

Technical details

  • Root cause: The affected component fails to properly sanitize/parameterize user-supplied input before incorporating it into SQL statements executed by the Guardium backend, allowing attacker-controlled SQL syntax to be interpreted by the database engine.
  • Trigger conditions: An attacker sends a specially crafted request containing malicious SQL payloads to a network-reachable Guardium Data Protection interface; no valid credentials or prior session are needed.
  • Attack vector: Network (remote), low attack complexity, no privileges required, no user interaction — consistent with the CVSS vector AV:N/AC:L/PR:N/UI:N.
  • Impact: Successful exploitation can result in unauthorized reading, modification, or deletion of data in the Guardium database, and potentially broader compromise of the appliance depending on database privileges, leading to full loss of confidentiality, integrity, and availability (C:H/I:H/A:H).
  • This vulnerability was disclosed by IBM alongside several other critical (CVSS 9.0+) issues affecting the same Guardium Data Protection 12.2 release, including additional unauthenticated SQL injection and deserialization flaws — indicating a broader pattern of unauthenticated attack surface in this release that warrants prompt patching of the full fix pack rather than a single targeted fix.

Affected software

  • IBM Guardium Data Protection 12.2 (including 12.2.0)

Severity

  • CVSS v3.1 Base Score: 9.8 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: Apply IBM’s remediation for Guardium Data Protection 12.2 by installing FixPack SqlGuard_12.0p233 (or later), available via IBM Support Fix Central, as directed in IBM’s security bulletin.
  • If patching cannot be applied immediately: IBM has not published an alternative workaround for this vulnerability. Organizations that cannot patch immediately should restrict network access to Guardium Data Protection management and application interfaces to trusted administrative networks only (e.g., via firewall/ACL/VPN segmentation), and closely monitor database and application logs for anomalous or malformed query activity until the fix pack is applied.
  • Review and apply IBM’s accompanying bulletin in full, as it addresses multiple other critical (CVSS 9.0+) unauthenticated vulnerabilities in the same Guardium Data Protection 12.2 release.

References

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