# CVE-2026-16346: IBM DataStage command injection on Cloud Pak for Data

Source: https://junglewise.ai/threats/cve-2026-16346-ibm-datastage-on-cloud-pak-for-data-5-4-0-0-could-allow-a-remote  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-22. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-16346 · Severity: critical · CVSS 9.9 · Published 2026-09-22

IBM DataStage, a data integration and ETL tool on Cloud Pak for Data, contains a command injection vulnerability that allows authenticated users to execute arbitrary operating system commands. An attacker with valid credentials could gain complete control over the system, leading to data theft, system compromise, or service disruption.

Technologies: [IBM Datastage On Cloud Pak For Data](https://junglewise.ai/threats/technologies/datastage-on-cloud-pak-for-data). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-16346 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-16346 being exploited in the wild.

**How severe is CVE-2026-16346?** Critical severity, with a CVSS score of 9.9, published 22 September 2026.

**Which products and versions are affected?** IBM Datastage On Cloud Pak For Data 5.4.0.0.

**Is there a fix for CVE-2026-16346?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-16346 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-16346?** Check whether you run IBM Datastage On Cloud Pak For Data at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

OS command injection via improper neutralization of special elements in user-supplied input to an OS command execution context. The vulnerability requires valid authentication and network access; no user interaction needed. An authenticated attacker can execute arbitrary commands with the privileges of the DataStage process, achieving remote code execution with impact to confidentiality, integrity, and availability.

## Affected products

- IBM DataStage on Cloud Pak for Data 5.4.0.0

## Timeline

- 2026-09-22: disclosed

## References

- [https://www.ibm.com/support/pages/node/7288649](https://www.ibm.com/support/pages/node/7288649)

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- [IBM DataStage on Cloud Pak for Data SSRF](https://junglewise.ai/threats/cve-2026-107330-ibm-datastage-on-cloud-pak-for-data-5-4-0-0-could-allow-a-remote)