CVE-2026-82989
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…
Published Oct 6, 2026 · Updated Oct 6, 2026
The full analysis for this CVE is not ready yet, so this page shows the scores and scope from the public record. How CVEs are selected
Key Facts
Patch in the next maintenance window- CVE-2026-82989 is a critical-severity vulnerability (CVSS 9.8).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
Scores
CVSS
9.8
EPSS (30-day exploit likelihood)
n/a
Exploit maturity
None known
ATLAS score
n/a
Outside the curated set
FAQ
Common Questions.
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…
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
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