CVE-2026-5754 Radware Alteon has a reflected XSS vulnerability
Attackers can inject malicious scripts into the Radware Alteon vADC load-balancer interface, enabling data theft or unauthorized actions.
- 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-2026-5754?
CVE-2026-5754 is a medium-severity cross-site scripting vulnerability in Radware Alteon vADC, published on 14 Apr 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
Reflected Cross-Site Scripting (XSS) Vulnerability in Radware Alteon 34.5.4.0 vADC load-balancer allows an attacker to inject malicious scripts into the website, potentially leading to unauthorized actions, data theft, or other malicious activities.
Which versions are affected by CVE-2026-5754?
How do I fix CVE-2026-5754?
No fix has been published for CVE-2026-5754 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-2026-5754 being exploited?
There is no known exploitation of CVE-2026-5754 in the wild and no public exploit code.
Sources
Also known as GHSA-f522-98m8-h7xc.