High priorityDisclosed

Advisory · CVE-2026-82096

OS command injection in IBM DataStage on Cloud Pak for Data

IBM DataStage on Cloud Pak for Data 5.4.0.0 does not properly neutralize special elements in OS commands, letting an authenticated attacker execute arbitrary commands. IBM rates it CVSS 3.1 8.8.

Advisory published October 13, 2026Independent summary
Vendor
IBM
Product
DataStage on Cloud Pak for Data
Identifier / CWE
CVE-2026-82096
CWE-78
Action timing
Immediate
ELI5

Explain it like I’m five

DataStage builds system commands out of user input without cleaning it, so a signed-in user can sneak in extra commands of their own.

SIMPLIFIED_ATTACK_PATH03 STEPS
  1. 01Sign in

    An attacker with a valid DataStage account reaches the affected function.

  2. 02Injected elements

    The attacker adds special elements that DataStage fails to neutralize before building a command.

  3. 03Command executes

    The operating system runs the attacker's command with DataStage's privileges.

What happened

IBM disclosed CVE-2026-82096 in its DataStage on Cloud Pak for Data bulletin. Version 5.4.0.0 is affected. The flaw is improper neutralization of special elements used in an OS command (CWE-78), exploitable by an authenticated remote attacker.

No fixed version is named in the NVD record, so remediation follows the IBM bulletin rather than a version guess here.

What to do

  1. Inventory every DataStage on Cloud Pak for Data deployment, including test, training, and individually managed instances.
  2. Apply the vendor fix or upgrade exactly as directed in the linked vendor bulletin or advisory.
  3. Restrict network access to DataStage on Cloud Pak for Data while remediation is underway, especially for internet-facing instances.
  4. Review application and server logs for unexpected shell processes spawned by DataStage, command strings in request logs, and new local accounts or scheduled jobs.
  5. Check for accounts, content, or configuration created outside normal change processes, and rotate exposed credentials where access cannot be ruled out.
  6. Verify the deployed version or patch level after remediation.

Management note

Command injection in a data platform is effectively server access. Apply the IBM fix and check the host, not just the application.