CVE-2026-81540: IBM Datastage On Cloud Pak For Data

High severity, CVSS 8.5. EPSS: 0.5% chance of exploitation in the next 30 days.

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to overwrite ruleset files belonging to other tenants due to a path traversal vulnerability.

Affected products

• IBM Datastage On Cloud Pak For Data: version 5.4.0 only

Published 2026-09-10. Last modified 2026-09-16.