CVE-2026-80434 IBM DataStage on Cloud Pak for Data - Broken Access Control

IBM DataStage on Cloud Pak for Data 5.4.0.0 contains a broken access control caused by insecure direct object reference in runtime caches, letting remote authenticated attackers cause denial of service.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.31% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Published
10 September 2026
Updated
15 October 2026
Weakness
CWE-639

Vendor fix

Update to the latest version of IBM DataStage on Cloud Pak for Data.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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