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CVE-2026-84421— DataStage on Cloud Pak for Data has several vulnerabilities

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 could allow a remote authenticated attacker to execute arbitrary code due to improper validation of paths during archive extraction.

CVSS 8.8 · High
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I. Basic Information for CVE-2026-84421

Vulnerability Information

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Vulnerability Title
DataStage on Cloud Pak for Data has several vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to execute arbitrary code due to improper validation of paths during archive extraction.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
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-2026-84421

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III. Intelligence Information for CVE-2026-84421

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Vendor Advisories for CVE-2026-84421 (1)

Same Patch Batch · IBM · 2026-09-29 · 6 CVEs total

CVE-2026-84436 9.1 CRITICAL IBM Guardium Data Protection is affected by multiple vulnerabilities.
CVE-2026-84842 8.1 HIGH IBM Guardium Data Protection is affected by multiple vulnerabilities.
CVE-2026-84414 7.8 HIGH IBM i is Affected By An Incorrect Permission Assignment Vulnerability in Network Authentic
CVE-2026-84440 7.5 HIGH IBM Guardium Data Protection is affected by multiple vulnerabilities.
CVE-2026-84422 7.2 HIGH IBM Guardium Data Protection is affected by multiple vulnerabilities.

IV. Related Vulnerabilities

Same product: DataStage on Cloud Pak for Data
Same vendor: IBM
Same weakness: CWE-22

V. Comments for CVE-2026-84421

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