Path Traversal Vulnerability in IBM DataStage on Cloud Pak for Data
CVE-2026-81540

8.5HIGH

Key Information:

Vendor

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

What is CVE-2026-81540?

A path traversal vulnerability in IBM DataStage on Cloud Pak for Data 5.4.0.0 permits a remote authenticated attacker to manipulate the file paths during file access. This flaw enables the attacker to overwrite ruleset files associated with other tenants, potentially compromising sensitive data and overall tenant isolation. Organizations utilizing this product should take immediate action to safeguard their environments against exploitation by applying available patches and following best security practices.

Affected Version(s)

DataStage on Cloud Pak for Data 5.4.0.0

References

https://www.ibm.com/support/pages/node/7286562
vendor-advisorypatch

CVSS V3.1

Score:
8.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.