CVE-2026-9056 Security fix for Qlik Talend Administration Center cross-site scripting vulnerability
An attacker with server management permissions can inject stored XSS payloads in Talend Administration Center, potentially compromising other users.
- 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-2026-9056?
CVE-2026-9056 is a medium-severity cross-site scripting vulnerability in Talend Administration Center, published on 20 May 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
A stored cross-site scripting vulnerability has been found in the Talend Administration Center. An attacker with permission to manage servers can store a XSS payload that can be triggered by a different user.
Which versions are affected by CVE-2026-9056?
How do I fix CVE-2026-9056?
No fix has been published for CVE-2026-9056 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-2026-9056 being exploited?
There is no known exploitation of CVE-2026-9056 in the wild and no public exploit code.
Sources
Also known as GHSA-j786-w88h-3h53.