CVE-2025-36126 IBM Cognos Analytics is affected by Cross-site scripting.

Medium 6.4 Published 26 May 2026 Updated 27 May 2026

A privileged user can inject JavaScript into the Cognos Administration UI, potentially stealing credentials from other users within trusted sessions.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-36126?

CVE-2025-36126 is a medium-severity cross-site scripting vulnerability in Ibm Cognos Analytics, published on 26 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Cognos Analytics 11.2.0, 12.0, and 12.1.0 and IBM Cognos Transformer 12.0, 11.2.4, and 12.1.0 is vulnerable to stored cross-site scripting (XSS) in Cognos Adminstration. This vulnerability allows a privileged user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

Weakness: CWE-79

Which versions are affected by CVE-2025-36126?

It affects 2 products.

Products include Ibm Cognos Analytics, Ibm Cognos Transformer.

How do I fix CVE-2025-36126?

No fix has been published for CVE-2025-36126 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-2025-36126 being exploited?

There is no known exploitation of CVE-2025-36126 in the wild and no public exploit code.

All Ibm Cognos Analytics vulnerabilities

Sources

Also known as GHSA-36w6-vpxm-3r3c.