CVE-2026-81540 DataStage on Cloud Pak for Data has several vulnerabilities due to open source software

High 8.5 Published 10 Sep 2026 Updated 15 Sep 2026

Remote authenticated attackers can overwrite other tenants' ruleset files via path traversal in IBM DataStage on Cloud Pak for Data.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-81540?

CVE-2026-81540 is a high-severity path traversal vulnerability in Ibm Datastage on Cloud Pak for Data, published on 10 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-22

Which versions are affected by CVE-2026-81540?

It affects 1 product.

Products include Ibm Datastage on Cloud Pak for Data.

How do I fix CVE-2026-81540?

No fix has been published for CVE-2026-81540 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-81540 being exploited?

There is no known exploitation of CVE-2026-81540 in the wild and no public exploit code.

All Ibm Datastage on Cloud Pak for Data vulnerabilities

Sources

Also known as GHSA-2q7h-5w6p-6wqh.