---
title: "CVE-2026-81210: IBM DataStage - Broken Access Control"
description: "IBM DataStage on Cloud Pak for Data 5.4.0.0 contains an insecure direct object reference and path traversal caused by concatenation of caller-supplied strings into a String.format path on shared /ds-storage RWX PVC, letting attackers read sensitive job log files, exploit requires access to the shared PVC."
url: https://panop.io/threat-heartbeat/CVE-2026-81210/
---

# CVE-2026-81210 IBM DataStage - Broken Access Control

IBM DataStage on Cloud Pak for Data 5.4.0.0 contains an insecure direct object reference and path traversal caused by concatenation of caller-supplied strings into a String.format path on shared /ds-storage RWX PVC, letting attackers read sensitive job log files, exploit requires access to the shared PVC.

CVSS base score 7.7 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.34% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-81210)

## Details

Type

Broken Access Control

Impact

Information Disclosure, File System Read

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Published

10 September 2026

Updated

15 October 2026

Weakness

[CWE-639](https://cwe.mitre.org/data/definitions/639.html)

## Vendor fix

Update to the latest version with proper ACL enforcement on shared storage.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-81210](https://nvd.nist.gov/vuln/detail/CVE-2026-81210)
- [https://www.ibm.com/support/pages/node/7286562](https://www.ibm.com/support/pages/node/7286562)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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