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8.8

IBM DataStage on Cloud Pak for Data enables unauthorized file overwrite

CVE-2026-16338 · published 28 days ago
Summary

IBM DataStage running on Cloud Pak for Data version 5.4.0.0 does not properly check file paths, allowing someone who has logged in to write files anywhere on the system. This could let an attacker replace or add files, potentially compromising data or adding malicious code. Apply the latest security update from IBM and restrict user accounts to only those who need access.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm datastage on cloud pak for data 5.4.0.0
ibm datastage_on_cloud_pak_for_data 5.4.0
cpe:2.3:a:ibm:datastage_on_cloud_pak_for_data:5.4.0:*:*:*:*:*:*:*
Original advisory text
IBM DataStage on Cloud Pak for Data 5.4.0.0 IBM DataStage could allow a remote authenticated attacker to perform an arbitrary file write due to improper validation of file paths.
IBM DataStage on Cloud Pak for Data 5.4.0.0 IBM DataStage could allow a remote authenticated attacker to perform an arbitrary file write due to improper validation of file paths.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
8.8 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-73External Control of File Name or Path
Timeline
Published14 Sep 2026
Updated11 Oct 2026
First seen14 Sep 2026
Sources
CVE-2026-16338 · NVD
CVE-2026-16338 · MITRE
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