CVE-2026-16325: IBM DataStage on Cloud Pak for Data XSS in X-Forwarded-Host header

CVE-2026-16325 · Severity: medium · CVSS 4.4 · Published 2026-11-08

IBM DataStage on Cloud Pak for Data is a data integration platform used for ETL and data pipeline workflows. A remote authenticated attacker can inject malicious scripts through the X-Forwarded-Host header, allowing code execution in the context of other users' browsers. This could lead to session hijacking, credential theft, or unauthorized actions performed on behalf of legitimate users.

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

Quick answers

Is CVE-2026-16325 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-16325 being exploited in the wild.
How severe is CVE-2026-16325?
Medium severity, with a CVSS score of 4.4, published 8 November 2026.
Which products and versions are affected?
IBM Datastage On Cloud Pak For Data 5.4.0.0.
Is there a fix for CVE-2026-16325?
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-2026-16325 attacked?
It is attacked over the network, in a hosted service.
Am I affected by CVE-2026-16325?
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

This is a reflected cross-site scripting (XSS) vulnerability caused by improper neutralization of the X-Forwarded-Host HTTP header. An authenticated attacker can craft a malicious URL with a specially crafted X-Forwarded-Host value that, when clicked by another user, injects arbitrary JavaScript into the page. Exploitation requires both attacker authentication and user interaction (click), and affects DataStage 5.4.0.0.

Affected products

  • IBM DataStage on Cloud Pak for Data 5.4.0.0

Timeline

  • 2026-11-08: disclosed

References

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