Quick answers
- Is CVE-2026-16428 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-16428 being exploited in the wild.
- How severe is CVE-2026-16428?
- High severity, with a CVSS score of 8.8, published 14 September 2026.
- Which products and versions are affected?
- IBM DataStage 5.4.0.0.
- Is there a fix for CVE-2026-16428?
- 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-2026-16428 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-16428?
- Check whether you run IBM DataStage 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 vulnerability stems from improper control of XSLT transformation generation (CWE-94), allowing code injection into the XSLT engine. The affected component is the XSLT transformation engine within IBM DataStage on Cloud Pak for Data version 5.4.0.0. The vulnerability requires network access and valid authentication credentials, with no user interaction needed. A remote authenticated attacker can execute arbitrary code with the privileges of the DataStage service, leading to full system compromise. IBM has published this vulnerability in their security bulletin; patch availability should be verified through IBM's support portal.
Affected products
- IBM DataStage 5.4.0.0
Timeline
- 2026-09-14: disclosed