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CVE-2026-16346 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 improper neutralization of special elements used in an OS command. This critical vulnerability poses a significant risk to affected systems, allowing attackers to execute arbitrary commands. Defenders must verify and patch affected systems to prevent exploitation. The CVE record and NVD entry provide details on the vulnerability, including its critical CVSS score of 9.9.

Vendor
IBM
Product
DataStage on Cloud Pak for Data
CVSS
CRITICAL 9.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-22
Original CVE updated
2026-10-06
Advisory published
2026-09-22
Advisory updated
2026-10-06

Who should care

Defenders responsible for IBM DataStage on Cloud Pak for Data 5.4.0.0 systems should prioritize verifying and patching affected systems to prevent remote authenticated attackers from executing arbitrary commands.

Why it matters

This critical vulnerability in IBM DataStage on Cloud Pak for Data 5.4.0.0 allows remote authenticated attackers to execute arbitrary commands, posing a significant risk to affected systems.

  • Remote authenticated attackers can execute arbitrary commands
  • Critical systems may be compromised, leading to potential data breaches or system downtime
  • Defenders must verify and patch affected systems to prevent exploitation

Technical summary

IBM DataStage on Cloud Pak for Data 5.4.0.0 is vulnerable to a critical remote code execution vulnerability due to improper neutralization of special elements used in an OS command. This vulnerability allows remote authenticated attackers to execute arbitrary commands, posing a significant risk to affected systems. Defenders should prioritize verifying and patching affected systems to prevent exploitation.

Defensive priority

Defenders should prioritize verifying and patching affected systems, as this critical vulnerability allows remote authenticated attackers to execute arbitrary commands.

Recommended defensive actions

  • Verify and apply the vendor-provided patch for IBM DataStage on Cloud Pak for Data 5.4.0.0
  • Restrict access to affected systems to minimize the attack surface
  • Monitor system logs for suspicious activity

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its critical CVSS score of 9.9 and the potential for remote authenticated attackers to execute arbitrary commands.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-16346 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-16346

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

  • CVE-2026-16346 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-16346

    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.