Quick answers
- Is CVE-2026-81536 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-81536 being exploited in the wild.
- How severe is CVE-2026-81536?
- High severity, with a CVSS score of 7.7, published 23 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-2026-81536?
- 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-2026-81536 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-81536?
- 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
An XML external entity (XXE) injection vulnerability exists in DataStage on Cloud Pak for Data 5.4.0.0, allowing authenticated remote attackers to read arbitrary files on the system through malicious XML input. The vulnerability requires valid authentication credentials and network access to the DataStage API or web interface. Successful exploitation allows disclosure of sensitive information including credentials and configuration data.
Affected products
- IBM DataStage on Cloud Pak for Data 5.4.0.0
Timeline
- 2026-09-23: disclosed