External risk intelligence

IBM DataStage Information Disclosure via Path Traversal.

CVE advisorySeverity: CRITICAL (CVSS 9.9)

CVE-2026-107331

IBM DataStage on Cloud Pak for Data is an enterprise data integration and analytics platform commonly deployed as a web-based application or API service. These platforms are typically accessed over networks and often exposed to authorized users via web interfaces or API endpoints, making remote network accessibility a standard deployment characteristic.

Path Traversal

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A critical vulnerability has been identified in IBM DataStage on Cloud Pak for Data, potentially allowing authenticated users to access sensitive information through a path traversal flaw. This issue could impact data confidentiality and integrity within the affected systems.

Flaw lets authenticated users access more data.
Confirms data protection for sensitive information.
Verify system relevance and assess exposure.

Attack Path

How an attacker could exploit the issue

An attacker who can authenticate to the system could exploit this vulnerability to access sensitive information. By crafting a request that leverages an absolute-path traversal flaw, they could navigate to unintended directories and read files on the server. This could lead to the disclosure of confidential data, potentially impacting the confidentiality and integrity of the system.

Requires authenticated access.
Triggered by a crafted request with path traversal.
Risk of sensitive data exposure.

Live Threat

Current exploitation, exposure, and threat context

An authenticated user could potentially access sensitive information from IBM DataStage on Cloud Pak for Data through an absolute-path traversal vulnerability. This could occur when the system processes user-supplied path information in a way that allows access to files or directories outside of the intended scope, when supported by the advisory.

Sensitive system data.
Path traversal via user input.
Unauthorized data disclosure.

Operational Fix

Recommended remediation, mitigation, and detection steps

IBM DataStage on Cloud Pak for Data presents a critical risk due to an absolute-path traversal vulnerability, allowing authenticated attackers to access sensitive information. Responsibility likely falls to platform or application owners to manage this vulnerability within their managed environments. The immediate priority is to inventory all instances of the affected technology, confirm their exposure and business criticality, identify the accountable system owner, and then prioritize remediation efforts.

Platform owners should lead remediation.
Verify instance exposure and criticality.
Plan coordinated remediation based on risk.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

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Frequently asked questions

What is IBM DataStage on Cloud Pak for Data?

It is an enterprise-grade platform used for data integration and analytics. Organizations rely on it to move, transform, and manage large volumes of data across complex environments. As a web-based application or API service, it provides authorized users with the tools needed to connect disparate data sources for reporting and processing.

What does absolute-path traversal mean in CVE-2026-107331?

This is a form of directory traversal, categorized as CWE-36. It means the software fails to properly restrict file system access when processing user input. By using specific absolute file paths in a request, an attacker can bypass intended security boundaries to read files on the server that should remain inaccessible.

How is this vulnerability triggered?

An attacker must have authenticated access to the system to initiate the exploit. The flaw is triggered by sending a specially crafted request containing path traversal sequences. This vulnerability does not occur through standard, legitimate operations where user inputs remain within the designated, restricted directories of the application.

Is my system at risk?

Halo Surface Signal indicates that IBM DataStage is typically deployed as a web-based application or API, which are standardly accessed over networks. If your instance is reachable via network interfaces, it faces a higher probability of remote accessibility. Evaluate whether your specific deployment is exposed to your network or the broader internet.

What should I do to respond to this threat?

Begin by inventorying all instances of IBM DataStage on Cloud Pak for Data within your environment to identify which systems are running the affected version. Once identified, determine the business criticality of each instance and coordinate with the appropriate system owners to monitor for security updates or guidance provided by the vendor.

References

www.ibm.com/support/pages/node/7294270

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.