Vulnerability · Published Oct 20, 2026 · Assigned by ibm
CVE-2026-81212DataStage on Cloud Pak for Data Improper Authorization
Critical 10.0
In plain English
A critical-severity security flaw in DataStage on Cloud Pak for Data from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)0.3%top 81.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | DataStage on Cloud Pak for Data | 5.4.0.0 |
Weakness: CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
References
- https://www.ibm.com/support/pages/node/7289603 vendor-advisory, patch