CVE-2026-80434 DataStage on Cloud Pak for Data has several vulnerabilities due to open source software

High 7.4 Published 10 Sep 2026 Updated 11 Sep 2026

Remote authenticated attackers can manipulate runtime caches causing denial of service 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-2026-80434?

CVE-2026-80434 is a high-severity missing authorization 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 manipulate runtime caches and cause a denial of service due to an insecure direct object reference.

Weakness: CWE-639

Which versions are affected by CVE-2026-80434?

It affects 1 product.

Products include Ibm Datastage on Cloud Pak for Data.

How do I fix CVE-2026-80434?

No fix has been published for CVE-2026-80434 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-80434 being exploited?

There is no known exploitation of CVE-2026-80434 in the wild and no public exploit code.

All Ibm Datastage on Cloud Pak for Data vulnerabilities

Sources

Also known as GHSA-pm84-xff5-wqjq.