CVE-2026-84418

7.4High

Published 12 Oct 2026 · NVD status: Analyzed

7.4High

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None
Impact: High impact on confidentiality, integrity
Weakness: CWE-295

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CVSS v3.1 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

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NVD description

IBM DataStage on Cloud Pak for Data 5.4.0.0 can allow a man-in-the-middle attacker to present a forged TLS certificate, intercept the connection, and capture the IAM bearer Authorization header automatically attached by the session adapter. The captured token grants full platform-scope tenant API access, enabling the attacker to read and manipulate the victim's DataStage projects, flows, assets, and pipeline definitions. This is client-side SDK code running on the user's own machine, so exploitation requires an external network interceptor rather than a co-tenant in the shared cluster.

References

https://www.ibm.com/support/pages/node/7288649PatchVendor Advisory

Source: nvd.nist.gov/vuln/detail/CVE-2026-84418