CVE-2026-81212

DataStage on Cloud Pak for Data Improper Authorization

Published Oct 20, 2026 CVSS 3.1 · 10 Critical EPSS < 1% KEV · Not listed
Description
IBM DataStage on Cloud Pak for Data 5.4.0.0 allows an unauthenticated user to perform an arbitrary write into shared Redis under any tenant's key. This collapses the platform's credential-encryption boundary and lets an anonymous caller poison any tenant's cached flow parameters.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now by upgrading DataStage on Cloud Pak for Data. Product(s)Version(s) number and/or range Remediation/Fix/InstructionsDataStage on Cloud Pak for Data5.4.0.0 Upgrade to 5.4 patch 8 or later by following these instructions https://www.ibm.com/docs/en/software-hub/5.4.x .

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM DataStage on Cloud Pak for Data 5.4.0.0 allows an unauthenticated user to perform an arbitrary write into shared Redis under any tenant's key. This collapses the platform's credential-encryption boundary and lets an anonymous caller poison any tenant's cached flow parameters.
Title DataStage on Cloud Pak for Data Improper Authorization
First Time appeared Ibm
Ibm datastage On Cloud Pak For Data
Weaknesses CWE-285
CPEs cpe:2.3:a:ibm:datastage_on_cloud_pak_for_data:5.4.0.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm datastage On Cloud Pak For Data
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Oct 28, 2026, 3:52 PM
Reserved
Aug 26, 2026, 5:04 PM
Status
Awaiting Analysis
Published
Oct 20, 2026, 10:19 PM
Modified
Oct 28, 2026, 4:17 PM