CVE-2026-81540

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 overwrite ruleset files belonging to other tenants 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-2026-81540

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

This vulnerability is a path traversal issue in IBM DataStage on Cloud Pak for Data 5.4.0.0. It allows a remote authenticated attacker to overwrite ruleset files belonging to other tenants by exploiting improper path validation.

Impact Analysis

An attacker could modify or delete critical ruleset files used by other tenants, potentially disrupting their operations or causing data corruption. This could lead to unauthorized access or service disruptions in shared environments.

Compliance Impact

This vulnerability could violate compliance requirements by allowing unauthorized access or modification of tenant data, potentially breaching confidentiality and integrity controls required by GDPR, HIPAA, and other standards.

Mitigation Strategies

Apply the latest IBM DataStage on Cloud Pak for Data patches immediately. Restrict tenant access to only necessary ruleset files. Monitor for unauthorized file modifications or access attempts.

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