CVE-2026-80423: IBM DataStage on Cloud Pak for Data secrets exposure via file mounts

CVE-2026-80423 · Severity: high · CVSS 8.8 · Published 2026-09-23

IBM DataStage on Cloud Pak for Data is a data integration tool used for ETL and data pipeline operations. A remote authenticated attacker can exploit accessible file mounts to read namespace-wide secrets, exposing connection credentials, API keys, and other sensitive data. This allows attackers to move laterally within the Kubernetes environment and compromise connected systems.

Technologies: IBM Datastage On Cloud Pak For Data. Vendors: IBM.

Quick answers

Is CVE-2026-80423 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-80423 being exploited in the wild.
How severe is CVE-2026-80423?
High severity, with a CVSS score of 8.8, published 23 September 2026.
Which products and versions are affected?
IBM Datastage On Cloud Pak For Data 5.4.0.0.
Is there a fix for CVE-2026-80423?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-80423 attacked?
It is attacked over the network, in a hosted service.
Am I affected by CVE-2026-80423?
Check whether you run IBM Datastage On Cloud Pak For Data at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability stems from improper access control on Kubernetes file mounts, allowing authenticated users to access secrets stored at the namespace level. An authenticated attacker with network access can read exposed secrets (CWE-200, Exposure of Sensitive Information). The flaw requires valid authentication credentials but no additional user interaction, enabling credential theft and cross-system compromise.

Affected products

  • IBM DataStage on Cloud Pak for Data 5.4.0.0

Timeline

  • 2026-09-23: disclosed

References

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