CVE-2026-81551

Received Received - Intake

Path Traversal in IBM DataStage on Cloud Pak for Data

Publication date: 2026-09-10

Last updated on: 2026-09-10

Assigner: IBM Corporation

Description

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to arbitrarily write to or delete files on shared storage due to a path traversal vulnerability.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-10

Last Modified

2026-09-10

Generated

2026-09-11

AI Q&A

2026-09-11

EPSS Evaluated

N/A

NVD

CVE-2026-81551

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	datastage_on_cloud_pak_for_data	5.4.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-22	The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

Executive Summary

IBM DataStage on Cloud Pak for Data 5.4.0.0 has a path traversal vulnerability that allows a remote authenticated attacker to write or delete files on shared storage.

Detection Guidance

Detection of this vulnerability requires manual review of IBM DataStage configurations and access logs. Check for unusual file write or delete operations in shared storage paths. Monitor for path traversal patterns in HTTP requests or API calls to DataStage services. Review user authentication logs for suspicious remote access.

Impact Analysis

An attacker could modify or delete critical files, leading to data loss, system instability, or unauthorized access to sensitive information.

Compliance Impact

This vulnerability could violate compliance requirements by allowing unauthorized file access or deletion, potentially exposing personal or sensitive data.

Mitigation Strategies

Apply the latest IBM DataStage on Cloud Pak for Data patch or update to version 5.4.0.1 or later. Ensure proper access controls are in place to restrict authenticated user permissions to shared storage. Monitor file system logs for unusual write or delete operations.

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