{"id":"CVE-2026-81212","published":"2026-10-20T22:19:51.737","lastModified":"2026-10-21T14:27:54.967","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.","cvssScore":10,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N","cwes":["CWE-285"],"vendors":[],"products":[],"references":[{"url":"https://www.ibm.com/support/pages/node/7289603","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"An unauthenticated attacker can write arbitrary data to Redis under any tenant's key, collapsing the credential encryption boundary and allowing them to poison cached flow parameters for any tenant. This represents a critical authorization flaw in IBM DataStage on Cloud Pak for Data 5.4.0.0.","exploitability":"The exploit is trivial to execute with no prerequisites since the service allows unauthenticated access and the vulnerability is an arbitrary write into Redis.","blast_radius":"An attacker could compromise any tenant's cached flow parameters, potentially leading to unauthorized data processing flows and credential exposure across all tenants in the platform.","remediation":"Upgrade to IBM DataStage on Cloud Pak for Data 5.4.0.1 or later to address this arbitrary write vulnerability in Redis.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","redis","tenant-isolation","credential-exposure"],"model":"garnet-coder","analyzedAt":"2026-10-21T01:17:06.518Z"}}