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Wednesday, October 21, 2026Your daily threat briefing298 reports
Vulnerabilities

IBM DataStage path traversal flaw allows remote code execution for authenticated users

A critical vulnerability in IBM DataStage on Cloud Pak for Data enables attackers to run arbitrary code via path traversal, posing a severe risk to managed environments.

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Key points

  • CVE-2026-82110 carries a CVSS score of 9.6, classified as critical severity by the National Vulnerability Database.
  • The flaw exists in IBM DataStage on Cloud Pak for Data version 5.4.0.0 and involves improper validation of pathnames.
  • Attackers must be authenticated remotely to exploit the issue and execute arbitrary code on the target system.

IBM DataStage on Cloud Pak for Data version 5.4.0.0 contains a critical vulnerability that allows remote authenticated attackers to execute arbitrary code. The National Vulnerability Database has assigned the identifier CVE-2026-82110 to this issue, rating it with a CVSS score of 9.6. This high severity rating indicates that the flaw poses a significant risk to organizations relying on this specific data integration platform for their operations.

The vulnerability stems from improper validation of pathnames during a path traversal operation. According to the NVD record, this weakness maps to CWE-22, which covers path traversal issues. An attacker who has successfully authenticated to the system can leverage this flaw to traverse directory structures and potentially access or modify files outside the intended directory, leading to remote code execution.

How it unfolded

  • The National Vulnerability Database published a record for CVE-2026-82110, detailing the security flaw in IBM's software.
  • The entry specifies that the issue affects IBM DataStage on Cloud Pak for Data version 5.4.0.0 specifically.
  • The record identifies the root cause as improper validation of pathnames, leading to a path traversal vulnerability.

Who is affected

Organizations running IBM DataStage on Cloud Pak for Data version 5.4.0.0 are directly exposed to this threat. Managed service providers managing these environments must verify their client deployments against this specific version number. The vulnerability requires an authenticated attacker, meaning the threat actor must first gain valid credentials or access to the system before attempting exploitation. This distinction limits the initial attack surface but does not reduce the severity of the outcome once access is achieved.

The impact includes the execution of arbitrary code, which can lead to full system compromise. According to the NVD description, the flaw allows a remote authenticated attacker to execute arbitrary code due to the improper validation. This means that any user account with access to the DataStage interface could potentially be used as a pivot point for malicious activity if the underlying path traversal logic is not secured.

Our take on the response

The classification of this flaw as critical underscores the immediate need for attention from security teams. A CVSS score of 9.6 suggests that the exploitability and impact are both high. That suggests organizations should prioritize patching or mitigating this issue over lower-severity vulnerabilities in their patch management workflows. The lack of a mentioned fix in the current NVD record means that administrative controls may be the only immediate defense available until a vendor update is released.

What to do and how to stay safe: IBM

  • Audit all instances of IBM DataStage on Cloud Pak for Data to identify systems running version 5.4.0.0.
  • Restrict administrative access to the platform to reduce the number of authenticated accounts that could be compromised.
  • Monitor system logs for unusual file access patterns or directory traversal attempts that may indicate exploitation.
  • Prepare to apply patches immediately once the vendor releases an update addressing CVE-2026-82110.

Step-by-step guide: Vulnerability Prioritization: How to Rank Risks Without Wasting Time

General security guidance from the Patch Observer newsroom. It is not confirmed advice from the organisations named in this story.

Frequently asked questions

What is the CVSS score for CVE-2026-82110?

The National Vulnerability Database rates CVE-2026-82110 with a CVSS score of 9.6, which is classified as critical.

Which version of IBM DataStage is affected by this vulnerability?

IBM DataStage on Cloud Pak for Data version 5.4.0.0 is the specific version identified as affected by this path traversal flaw.

Does an attacker need to be authenticated to exploit this vulnerability?

Yes, the NVD record states that a remote authenticated attacker is required to execute arbitrary code through this vulnerability.

Sources

  1. NVD

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