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CVE-2026-16466 IBM CVE debrief

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to execute arbitrary commands due to os command injection. This CVE was published on 2026-09-14T20:16:40.917Z and was last modified on 2026-10-06T15:32:55.897Z. The NVD entry is currently Analyzed. Defenders responsible for IBM DataStage on Cloud Pak for Data deployments should assess exposure and prioritize patching. The vulnerability exists due to improper input validation, allowing attackers to inject malicious commands. Security teams and administrators should verify if the system is affected and implement compensating controls, such as monitoring and exception tracking.

Vendor
IBM
Product
DataStage on Cloud Pak for Data
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-14
Original CVE updated
2026-10-06
Advisory published
2026-09-14
Advisory updated
2026-10-06

Who should care

Defenders responsible for IBM DataStage on Cloud Pak for Data deployments should assess exposure and prioritize patching. Security teams and administrators should verify if the system is affected and implement compensating controls.

Why it matters

CVE-2026-16466 is a high-severity vulnerability in IBM DataStage on Cloud Pak for Data that could allow a remote authenticated attacker to execute arbitrary commands. Defenders should prioritize verifying exposure, assessing potential impact, and patching the system.

  • Potential for arbitrary command execution by a remote authenticated attacker
  • Need for verification of exposure and potential impact
  • Priority for patching and implementing compensating controls
  • Importance of monitoring and exception tracking

Technical summary

The vulnerability exists in IBM DataStage on Cloud Pak for Data 5.4.0.0 and could allow a remote authenticated attacker to execute arbitrary commands due to os command injection. The CVSS score is 8.8, and the CWE is 78. The vulnerability is caused by a lack of proper input validation, which allows an attacker to inject malicious commands. Defenders should prioritize verifying exposure and assessing potential impact, as the CVE details a high-severity vulnerability in IBM DataStage on Cloud Pak for Data. IBM has provided a vendor advisory for patching, and users

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact, as the CVE details a high-severity vulnerability in IBM DataStage on Cloud Pak for Data.

Recommended defensive actions

  • Verify if the system is affected by checking the CPE criteria
  • Assess potential impact and prioritize patching
  • Implement compensating controls, such as monitoring and exception tracking
  • Review and update incident response plans

Evidence notes

The CVE and NVD records provide details on the vulnerability, including its CVSS score of 8.8 and CWE-78. IBM has provided a vendor advisory for patching.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-16466 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-16466

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-16466 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-16466

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.