RCE via OS command injection in IBM DataStage on Cloud Pak for Data — enterprise data integration platform used broadly; could disrupt data workflows and platforms across organizations.
CVE-2026-81537
Authenticated OS command injection in IBM DataStage on Cloud Pak for Data 5.4.0.0
Is CVE-2026-81537 being exploited?
Not confirmed. CVE-2026-81537 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 0.98% probability of exploitation in the next 30 days.
How severe is CVE-2026-81537?
CVE-2026-81537 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-2026-81537?
Not known from our data. No patch reference has been recorded for CVE-2026-81537, 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-2026-81537 affect?
CVE-2026-81537 affects IBM DataStage on Cloud Pak for Data 5.4.0.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-81537?
Isolate affected instances, restrict admin access, apply vendor patch when released
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attackers can inject OS commands to achieve arbitrary code execution / RCE on the DataStage host, risking data access and service compromise.
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.