IBM DataStage on Cloud Pak for Data 5.4.0.0 job.log resource injection

Summaryinfo

A vulnerability described as problematic has been identified in IBM DataStage on Cloud Pak for Data 5.4.0.0. This impacts an unknown function of the file job.log. The manipulation results in resource injection. This vulnerability is identified as CVE-2026-81210. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in IBM DataStage on Cloud Pak for Data 5.4.0.0. Affected is an unknown code block of the file job.log. The manipulation with an unknown input leads to a resource injection vulnerability. CWE is classifying the issue as CWE-99. The product receives input from an upstream component, but it does not restrict or incorrectly restricts the input before it is used as an identifier for a resource that may be outside the intended sphere of control. This is going to have an impact on confidentiality. CVE summarizes:

IBM DataStage on Cloud Pak for Data 5.4.0.0 concatenates three caller-supplied strings into a String.format path on the shared /ds-storage RWX PVC and returns the file with no project ACL — pure IDOR plus traversal. Read is constrained to files named job.log/error.log, but DataStage job logs routinely carry connection strings, {dsnextenc} ciphertexts (decryptable via d2-f023), and customer-data row samples. This is the operator's tenant-to-tenant PVC-leakage threat verbatim; MEDIUM→HIGH via threat match.

The advisory is available at ibm.com. This vulnerability is traded as CVE-2026-81210 since 08/26/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 09/10/2026).

By approaching the search of inurl:job.log it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Cloud Software

Vendor

• IBM

Name

• DataStage on Cloud Pak for Data

Version

• 5.4.0.0

License

• commercial

Website

• Vendor: https://www.ibm.com/

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