Quick answers
- Is CVE-2026-81552 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-81552 being exploited in the wild.
- How severe is CVE-2026-81552?
- High severity, with a CVSS score of 8.8, published 24 September 2026.
- Which products and versions are affected?
- IBM DataStage 5.4.0.0 on Cloud Pak for Data.
- Is there a fix for CVE-2026-81552?
- 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-2026-81552 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-81552?
- Check whether you run IBM DataStage 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
The vulnerability stems from improper neutralization of environment variables in DataStage on Cloud Pak for Data 5.4.0.0, allowing OS command injection. An authenticated, remote attacker can inject malicious commands that are executed with the privileges of the DataStage service. The attack requires valid credentials but no user interaction.
Affected products
- IBM DataStage 5.4.0.0 on Cloud Pak for Data
Timeline
- 2026-09-24: disclosed: CVE-2026-81552 published