Full Report
IBM security advisory (AV26-997)
Analysis Summary
# Vulnerability: Multiple Vulnerabilities in IBM DataStage, Guardium, and IBM i
## CVE Details
- **CVE ID:** CVE-2026-84414 (Primary identifier provided for IBM i)
- **CVSS Score:** Not explicitly listed in summary, but categorized as an "Incorrect Permission Assignment" vulnerability.
- **CWE:** CWE-281 (Incorrect Permission Assignment)
*Note: The advisory indicates multiple vulnerabilities across products; specific CVE IDs for DataStage and Guardium require individual bulletin review via the provided links.*
## Affected Systems
- **Products:**
- DataStage on Cloud Pak for Data
- Guardium Data Protection
- IBM i
- **Versions:**
- DataStage on Cloud Pak for Data: Version 5.4.0.0
- Guardium Data Protection: Version 12.2
- IBM i: Versions 7.3, 7.4, 7.5, and 7.6
- **Configurations:** Systems utilizing Network Authentication Services (specifically for IBM i).
## Vulnerability Description
The primary vulnerability highlighted (CVE-2026-84414) involves an **Incorrect Permission Assignment** within the Network Authentication Service of IBM i. This flaw typically allows for unauthorized access or elevation of privileges due to improperly defined access control lists or file system permissions.
For DataStage and Guardium, the advisory notes "several" and "multiple" vulnerabilities, which commonly include dependencies on vulnerable open-source libraries or input validation flaws in web interfaces.
## Exploitation
- **Status:** Not exploited (Current status indicates advisory/patching phase; no reported "in the wild" exploitation in text).
- **Complexity:** Medium (Typical for permission-based flaws).
- **Attack Vector:** Network (Targeting Network Authentication Services).
## Impact
- **Confidentiality:** High (Potential unauthorized access to sensitive data).
- **Integrity:** Medium to High (Risk of unauthorized modification of system settings).
- **Availability:** Low to Medium.
## Remediation
### Patches
IBM recommends upgrading to the following versions or applying specific PTFs (Program Temporary Fixes):
- **DataStage on Cloud Pak for Data:** Apply updates as specified in IBM bulletin 7288649.
- **Guardium Data Protection:** Update Version 12.2 with the latest fix packs as per bulletin 7288040.
- **IBM i:** Apply the relevant PTFs for versions 7.3 through 7.6 regarding Network Authentication Service.
### Workarounds
- Ensure the principle of least privilege is applied to all Network Authentication Service configurations.
- Restrict network access to management interfaces for Guardium and DataStage to trusted internal IP ranges only.
## Detection
- **Indicators of Compromise:** Review system logs for unusual permission change requests or unauthorized attempts to access Network Authentication Service configurations.
- **Detection methods and tools:** Use IBM i audit journals (QAUDJRN) to monitor for changes in object authorities or security-relevant system values.
## References
- IBM Security Bulletin (DataStage): hxxps[://]www[.]ibm[.]com/support/pages/node/7288649
- IBM Security Bulletin (Guardium): hxxps[://]www[.]ibm[.]com/support/pages/node/7288040
- IBM Security Bulletin (IBM i): hxxps[://]www[.]ibm[.]com/support/pages/node/7289443
- Canadian Centre for Cyber Security Advisory: hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/ibm-security-advisory-av26-997