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CVE-2026-84418— DataStage on Cloud Pak for Data Improper Certificate Validation

Quick assessment

Affected
IBM DataStage on Cloud Pak for Data
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM DataStage on Cloud Pak for Data 5.4.0.0 存在漏洞，允许中间人攻击者伪造 TLS 证书、拦截连接，并捕获由会话适配器自动附加的 IAM 承载者（Bearer）Authorization 头部信息。获取的令牌赋予攻击者对整个平台范围的租户 API 的完全访问权限，从而使攻击者能够读取和操作受害者的 DataStage 项目、工作流、资源以及管道定义。由于此漏洞涉及的是在用户本地机器上运行的客户端 SDK 代码，因此利用该漏洞需要外部网络拦截手段，而非共享集群中的其他租户。

CVSS 7.4 · High
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I. Basic Information for CVE-2026-84418

Vulnerability Information
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Vulnerability Title
DataStage on Cloud Pak for Data Improper Certificate Validation
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM DataStage on Cloud Pak for Data 5.4.0.0 cpe:2.3:a:ibm:datastage_on_cloud_pak_for_data:5.4.0.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-84418

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-84418

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Vendor Advisories for CVE-2026-84418 (1)

Same Patch Batch · IBM · 2026-10-12 · 61 CVEs total

CVE-2026-96119 9.9 CRITICAL IBM i is Affected By An Improper Control of Code Generation Vulnerability in HTTP Server A
CVE-2026-96012 9.9 CRITICAL IBM Db2 Mirror for i Privilege Escalation
CVE-2026-90920 9.8 CRITICAL Maximo AI Service Code Injection
CVE-2026-82101 9.6 CRITICAL DataStage on Cloud Pak for Data Path Traversal
CVE-2026-82103 9.6 CRITICAL DataStage on Cloud Pak for Data Information Disclosure
CVE-2026-82110 9.6 CRITICAL DataStage on Cloud Pak for Data Path Traversal
CVE-2026-105465 8.8 HIGH IBM® Db2® is vulnerable to privilege escalation when db2ssh is enabled with the db2 instan
CVE-2026-19622 8.8 HIGH IBM Planning Analytics Local is affected by security vulnerabilities
CVE-2026-19620 8.8 HIGH IBM Planning Analytics Local is affected by security vulnerabilities
CVE-2026-102627 8.8 HIGH Security Vulnerability identified in IBM TRIRIGA - Zip Slip
CVE-2026-82096 8.8 HIGH DataStage on Cloud Pak for Data Command Injection
CVE-2026-82108 8.8 HIGH DataStage on Cloud Pak for Data Code Injection
CVE-2026-105464 8.8 HIGH IBM® Db2® is vulnerable to a local attacker with DBADM authorization gaining elevated priv
CVE-2026-18529 8.7 HIGH IBM Maximo Application Suite - Location Service for Esri Component Code Execution
CVE-2026-18537 8.7 HIGH IBM Maximo Application Suite - Location Service for Esri Component Code Execution
CVE-2026-93886 8.3 HIGH IBM i is Affected By An Improper Neutralization of Input Vulnerability in HTTP Server Admi
CVE-2026-96262 8.2 HIGH IBM Power Systems Firmware Buffer Overflow
CVE-2026-96263 8.2 HIGH IBM Power Systems Firmware Buffer Overflow
CVE-2026-19627 8.2 HIGH IBM Planning Analytics Local is affected by security vulnerabilities
CVE-2026-96264 8.2 HIGH IBM Power Systems Firmware Buffer Overflow

Showing top 20 of 61 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: DataStage on Cloud Pak for Data
Same vendor: IBM
Same weakness: CWE-295

V. Comments for CVE-2026-84418

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