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CVE-2026-81212critical10.0

DataStage on Cloud Pak for Data Improper Authorization

Impact

IBM DataStage on Cloud Pak for Data 5.4.0.0 has an improper authorization weakness, allowing an unauthenticated user to write to shared Redis, potentially collapsing the platform's credential-encryption boundary. The impact is uncertain. Required attacker access is unauthenticated.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

What to do

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 .

ibm guidance

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

IBM · ibm

DataStage on Cloud Pak for Data

1 range
ibm version evidence

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affected

5.4.0.0

unaffected

unknown

Other versions: unknown

Product identifiers (CPE)cpe:2.3:a:ibm:datastage_on_cloud_pak_for_data:5.4.0.0:*:*:*:*:*:*:*

Original source 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.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-81212

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Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-285 ↗

CWE-285 Improper Authorization

ibm

Related →
Contributing organizations · 2
ibm

Assigning organization

2026-10-20
CISA-ADP

Additional data publisher

2026-10-28

What changed

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References

1 sources
www.ibm.com/support/pages/node/7289603
vendor-advisoryibm