CVE-2026-82989 CVE-2026-82989
Remote unauthenticated attackers can inject arbitrary input into ViewSonic ViewBoard vCast services via HTTP requests, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-82989?
CVE-2026-82989 is a critical code injection vulnerability in Viewsonic vCast, published on 5 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is an input injection in vCast exposed network services in ViewSonic ViewBoard that allows a remote, unauthenticated attacker to inject arbitrary input into service endpoints via network-based HTTP requests to unauthenticated endpoints
Which versions are affected by CVE-2026-82989?
How do I fix CVE-2026-82989?
No fix has been published for CVE-2026-82989 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-82989 being exploited?
There is no known exploitation of CVE-2026-82989 in the wild and no public exploit code.
Sources
Also known as GHSA-wx6m-rmf7-wpp6.