CVE-2026-16338 DataStage on Cloud Pak for Data has several vulnerabilities due to open source software

Critical 9.9 Published 14 Sep 2026 Updated 14 Sep 2026

Remote authenticated attackers can perform arbitrary file writes in IBM DataStage on Cloud Pak for Data due to improper path validation.

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-2026-16338?

CVE-2026-16338 is a critical path traversal vulnerability in Ibm Datastage on Cloud Pak for Data, published on 14 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 IBM DataStage could allow a remote authenticated attacker to perform an arbitrary file write due to improper validation of file paths.

Weakness: CWE-73

Which versions are affected by CVE-2026-16338?

It affects 1 product.

Products include Ibm Datastage on Cloud Pak for Data.

How do I fix CVE-2026-16338?

No fix has been published for CVE-2026-16338 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-2026-16338 being exploited?

There is no known exploitation of CVE-2026-16338 in the wild and no public exploit code.

All Ibm Datastage on Cloud Pak for Data vulnerabilities

Sources

Also known as GHSA-9p83-pgmg-hprg.