CVE-2025-36321 Vulnerabilities found in Watson Data Intelligence

Medium 5.7 Published 30 Jun 2026 Updated 1 Jul 2026

Remote attackers can inject malicious HTML into IBM watsonx.data intelligence, leading to script execution in victims' browsers.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-36321?

CVE-2025-36321 is a medium-severity cross-site scripting vulnerability in IBM watsonx.data intelligence, published on 30 Jun 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

IBM watsonx.data intelligence 5.2.0, 5.2.1, 5.2.2, 5.3.0 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site.

Weakness: CWE-80

Which versions are affected by CVE-2025-36321?

It affects 1 product.

Products include Ibm Watsonx.data Intelligence.

How do I fix CVE-2025-36321?

No fix has been published for CVE-2025-36321 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-36321 being exploited?

There is no known exploitation of CVE-2025-36321 in the wild and no public exploit code.

Sources

Also known as GHSA-g38c-h6hm-2rqj.