CVE-2026-84421: DataStage on Cloud Pak for Data has several vulnerabilities
Published Sep 21, 2026
·Updated
DataStage on Cloud Pak for Data could allow a remote authenticated attacker to execute arbitrary code due to improper validation of paths during archive extraction.
Other sources
IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to execute arbitrary code due to improper validation of paths during archive extraction.
— MITRE
Affected Software
2 affected componentsFixes available
IBM DataStage on Cloud Pak for Data<=5.4.0.0
IBM DataStage on Cloud Pak for Data=5.4.0
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
IBM DataStage on Cloud Pak for Datato a version that resolves this vulnerability.Fixed in 5.4 patch 7
Event History
Sep 21, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Sep 29, 2026
CVE Published
via MITRE·05:57 PM
Data Sourced
via MITRE·05:57 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·06:17 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Does exploitation require prior access?
Yes. The issue is described as exploitable by a remote authenticated attacker, so an attacker needs authenticated access to the affected DataStage environment.