High priorityDisclosed

Advisory · CVE-2026-82108

Code injection flaw in IBM DataStage on Cloud Pak for Data

IBM DataStage on Cloud Pak for Data 5.4.0.0 improperly neutralizes special elements, letting an authenticated remote attacker execute arbitrary code. 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-2026-82108
CWE-94
Action timing
Immediate
ELI5

Explain it like I’m five

DataStage lets signed-in users slip code-shaped input past its filters, and the platform ends up running it.

SIMPLIFIED_ATTACK_PATH03 STEPS
  1. 01Sign in

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

  2. 02Code-shaped input

    The attacker submits input containing special elements DataStage does not neutralize.

  3. 03Code executes

    DataStage executes the attacker's code in the platform context.

What happened

IBM disclosed CVE-2026-82108 in its DataStage on Cloud Pak for Data bulletin. Version 5.4.0.0 is affected. The NVD record describes arbitrary code execution through improper neutralization of special elements (CWE-94), reachable 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 code or job changes, new DataStage assets from low-privilege accounts, and anomalous outbound connections.
  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

This is one of five DataStage flaws from a single IBM bulletin. Patch the set together and treat the platform as exposed until you do.