Arbitrary Code Execution Vulnerability in IBM DataStage on Cloud Pak for Data
CVE-2026-84421

8.8HIGH

Key Information:

Vendor

IBM
Status
Datastage On Cloud Pak For Data
Vendor
CVE Published:
29 September 2026

What is CVE-2026-84421?

A vulnerability exists in IBM DataStage within Cloud Pak for Data 5.4.0.0 that allows a remote authenticated attacker to execute arbitrary code. This is due to improper validation of paths during the archive extraction process. If exploited, it could lead to unauthorized access or control of affected systems, posing significant security risks. Organizations using this version are advised to apply the relevant patches promptly to mitigate potential threats.

Affected Version(s)

DataStage on Cloud Pak for Data 5.4.0.0

References

https://www.ibm.com/support/pages/node/7288649
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.