CVE-2026-82989

CVE-2026-82989

Published Oct 5, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-20
Type Values Removed Values Added
First Time appeared Viewsonic
Viewsonic vcast
Vendors & Products Viewsonic
Viewsonic vcast
Type Values Removed Values Added
Weaknesses CWE-147
CWE-74
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-20
Type Values Removed Values Added
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
Title CVE-2026-82989
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
certcc
Published
Updated
Oct 6, 2026, 2:08 PM
Reserved
Aug 31, 2026, 3:22 PM
Status
Deferred
Published
Oct 6, 2026, 12:16 AM
Modified
Oct 6, 2026, 3:03 PM