Vulnerability details

CVE-2026-81212

IBM DataStage on Cloud Pak for Data

DataStage on Cloud Pak for Data Improper Authorization

CVSS 3.1
10.0Critical

Official 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.

CVSS scores

ScoreVersionSourceVector
10.0Critical 3.1 CVEProject cvelistV5 (CNA) (ibm) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Affected products

VendorProductVersionsSource
IBM DataStage on Cloud Pak for Data 5.4.0.0 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-10-21
Last updated
2026-10-28
State
Published
Assigner (CNA)
ibm
Kolun priority
20 · Low

Exploit prediction (EPSS)

0.26%
Probability of exploitation in 30 days
18.8%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-285
    Improper Authorization