CVE-2026-9646 ScadaBR Unauthenticated Reflected Cross-Site Scripting
An attacker can execute arbitrary scripts in the victim's browser via reflected XSS in ScadaBR URL handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-9646?
CVE-2026-9646 is a medium-severity cross-site scripting vulnerability in ScadaBR, published on 28 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A reflected cross-site scripting issue exists in URL handling.
Weakness: CWE-80
Which versions are affected by CVE-2026-9646?
It affects 1 product.
Products include Scadabr Scadabr.
How do I fix CVE-2026-9646?
No fix has been published for CVE-2026-9646 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-2026-9646 being exploited?
There is no known exploitation of CVE-2026-9646 in the wild and no public exploit code.
Other vulnerabilities in ScadaBR
- CVE-2021-26828 OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type
- CVE-2021-26829 OpenPLC ScadaBR Cross-site Scripting
- CVE-2026-9645 ScadaBR Authenticated Remote Code Execution
- CVE-2026-8602 Missing authentication for critical function in ScadaBR
- CVE-2026-8603 Improper neutralization of special elements used in an OS command ('OS command injection') in ScadaBR
Sources
Also known as GHSA-2phh-vpwq-x849.