CVE-2026-18516 Improper Encoding or Escaping of Output in Crafty Controller
Remote unauthenticated attackers can execute stored cross-site scripting via HTTP header injection in the Audit Logs component.
- 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-2026-18516?
CVE-2026-18516 is a critical cross-site scripting vulnerability in Arcadia Technology, LLC Crafty Controller, published on 16 Oct 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
An output escaping vulnerability in the Audit Logs component of Crafty Controller allows a remote, unauthenticated attacker to perform stored cross-site scripting via HTTP header injection
Weakness: CWE-116
Which versions are affected by CVE-2026-18516?
How do I fix CVE-2026-18516?
No fix has been published for CVE-2026-18516 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-2026-18516 being exploited?
There is no known exploitation of CVE-2026-18516 in the wild and no public exploit code.
Sources
Also known as GHSA-2ffc-fh9v-47xp.