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CVE-2026-16673 IBM CVE debrief

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to execute arbitrary OS commands due to improper neutralization of special characters in the PxPeek name property. This CVE was published on 2026-09-14T20:16:41.053Z and was last modified on 2026-10-06T15:32:37.587Z. The NVD entry is currently Analyzed. The vulnerability has a high severity score and defenders should prioritize verifying and patching affected instances, especially those exposed to remote authenticated users, to prevent potential OS command execution and data integrity impacts. Affected deployments should be identified in managed environments and owners assigned for follow-up.

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 5.4.0.0 deployments, especially those with remote authenticated user access, should assess exposure and prioritize patching.

Why it matters

CVE-2026-16673 is a high-severity vulnerability in IBM DataStage on Cloud Pak for Data 5.4.0.0 that could allow remote authenticated attackers to execute arbitrary OS commands. Defenders should prioritize patching and verifying affected instances, especially those exposed to remote authenticated users, to prevent potential OS command execution and data integrity impacts.

  • Potential for remote authenticated OS command execution
  • Need for patching and verification of IBM DataStage on Cloud Pak for Data 5.4.0.0 instances
  • Possible impact on data integrity and system security

Technical summary

The vulnerability exists in IBM DataStage on Cloud Pak for Data 5.4.0.0, where improper neutralization of special characters in the PxPeek name property could allow a remote authenticated attacker to execute arbitrary OS commands. The issue arises from inadequate input validation and sanitization of user-supplied input. Defenders should focus on verifying and patching affected systems, restricting access to the PxPeek name property, and monitoring for suspicious activity related to OS command execution. Vendor guidance and official advisories should be reviewed to

Defensive priority

Defenders should prioritize verifying and patching IBM DataStage on Cloud Pak for Data 5.4.0.0 instances, especially those exposed to remote authenticated users.

Recommended defensive actions

  • Verify and apply the IBM patch for IBM DataStage on Cloud Pak for Data 5.4.0.0
  • Restrict access to the PxPeek name property to trusted users only
  • Monitor for suspicious activity related to OS command execution

Evidence notes

The CVE description indicates that IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to execute arbitrary OS commands due to improper neutralization of special characters in the PxPeek name property. However, specific details about exploitation or affected versions are limited.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-16673 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-16673

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

  • CVE-2026-16673 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-16673

    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.