CVE-2026-81212: Flaw in IBM DataStage on Cloud Pak for Data Scores 10 on CVSS
A newly published critical vulnerability in IBM DataStage on Cloud Pak for Data carries a CVSS score of 10. Here is what is affected and how to respond.
Key points
- CVE-2026-81212 affects IBM DataStage on Cloud Pak for Data.
- CVSS 10 (Critical).
- No exploitation confirmed yet.
A critical security flaw tracked as CVE-2026-81212 has been published in the National Vulnerability Database for IBM DataStage on Cloud Pak for Data, with a CVSS base score of 10.
At a glance
- CVE
- CVE-2026-81212
- Product
- IBM DataStage on Cloud Pak for Data
- CVSS
- 10 Critical
- Weakness
- CWE-285
- Exploited
- No known exploitation
What is the vulnerability?
The NVD entry states: 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.
Affected versions
| Vendor | Product | Versions |
|---|---|---|
| Ibm | DataStage on Cloud Pak for Data | 5.4.0.0 |
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.
Is it being exploited?
There is no public confirmation of exploitation at the time of publication. It does not appear in CISA's Known Exploited Vulnerabilities catalog. We will update this report if that changes.
What should you do?
- Identify whether the affected product and versions run in your environment.
- Apply the vendor update listed in the advisory as soon as it is available.
- Limit network exposure of the affected service until it is patched.
- Monitor the vendor advisory for updated guidance or exploitation reports.
What to do and how to stay safe: CVE-2026-81212
- Vulnerability severity scores ignore your specific architecture and context.
- Exploitability depends on network exposure and user behavior, not just code flaws.
- Prioritization requires continuous asset inventory and threat intelligence alignment.
Risk-based vulnerability management focuses your limited resources on the flaws that actually threaten your business. Start by mapping your critical assets and checking for active exploits to prioritize your backlog.
Step-by-step guide: Risk-Based Vulnerability Management: Prioritize Fixes by Actual Danger
General security guidance from the Threat Times newsroom. It is not confirmed advice from the organisations named in this story.
Frequently asked questions
What is CVE-2026-81212?
CVE-2026-81212 is a CWE-285 vulnerability in IBM DataStage on Cloud Pak for Data.
How severe is CVE-2026-81212?
It has a CVSS score of 10 Critical.
Is CVE-2026-81212 being exploited?
There is no public confirmation of exploitation at the time of publication.
