Authenticated RCE in IBM DataStage on Cloud Pak for Data — enterprise software widely deployed; can lead to full system compromise and disruption.
CVE-2026-16428
Authenticated RCE via DataStage XSLT engine misconfiguration
Is CVE-2026-16428 being exploited?
Not confirmed. CVE-2026-16428 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.54% probability of exploitation in the next 30 days.
How severe is CVE-2026-16428?
CVE-2026-16428 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-16428?
Not known from our data. No patch reference has been recorded for CVE-2026-16428, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-16428 affect?
CVE-2026-16428 affects IBM DataStage on Cloud Pak for Data 5.4.0.0, Cloud Pak for Data deployments running DataStage. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-16428?
Restrict access to DataStage, harden auth, monitor logs, and apply vendor fixes when available.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote authenticated attacker can execute arbitrary code on the DataStage server via XSLT transformation engine misconfiguration.
Immediate action required
- affected5.4.0.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.