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CVE-2026-81210

7.7 · HIGH

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 ID…

Published Sep 10, 2026ibmCWE-639EPSS 0.34%

Overview

CVE-2026-81210 is a high-severity vulnerability affecting ibm datastage_on_cloud_pak_for_data. It was published on September 10, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from ibm. Update datastage_on_cloud_pak_for_data to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.ibm.com/support/pages/node/7286562

How CyberStrike helps

Frequently asked questions

What is CVE-2026-81210?

CVE-2026-81210 is a high-severity vulnerability affecting ibm datastage_on_cloud_pak_for_data. It was published on September 10, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).

How severe is CVE-2026-81210?

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-81210?

Check the references section for vendor advisories and patches from ibm. Update datastage_on_cloud_pak_for_data to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-81210?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-81210 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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