CVE-2025-36145: IBM watsonx.data improper connection restriction in Lakehouse

CVE-2025-36145 · Severity: medium · CVSS 5.4 · Published 2026-05-26

IBM watsonx.data, a data management platform used for scaling AI workloads, contains a security flaw in its Lakehouse component. The system fails to properly restrict network connections, which could allow an authorized user to transfer or modify files without appropriate authorization. This could lead to unauthorized data manipulation or the movement of sensitive files within the environment.

Technologies: IBM Watsonx.Data. Vendors: IBM.

Quick answers

Is CVE-2025-36145 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-36145 being exploited in the wild.
How severe is CVE-2025-36145?
Medium severity, with a CVSS score of 5.4, published 26 May 2026.
Which products and versions are affected?
IBM Watsonx.Data 2.2 through 2.3.1.
Is there a fix for CVE-2025-36145?
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-2025-36145 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2025-36145?
Check whether you run IBM Watsonx.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

IBM watsonx.data is vulnerable to improper restriction of communication channels (CWE-923) within the IBM Lakehouse component. The vulnerability stems from a failure to properly enforce inbound and outbound connection restrictions. A remote attacker with low-level privileges can exploit this flaw to establish unauthorized connections, potentially allowing them to transfer or modify files without the intended restrictions. The issue affects versions 2.2 through 2.3.1 and is addressed in watsonx.data 2.3.1 patch 2.

Affected products

  • IBM watsonx.data IBM Lakehouse 2.2 through 2.3.1

Timeline

  • 2026-05-26: advisory: IBM published the security bulletin and NVD record.

References

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