CVE-2026-81212 — CRITICAL (10.0)

Vulnerability 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 Score

10.0

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-285

References

https://www.ibm.com/support/pages/node/7289603

FAQ

What is CVE-2026-81212?

CVE-2026-81212 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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 b...

How severe is CVE-2026-81212?

CVE-2026-81212 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-81212?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.