CVE-2026-82987

UNKNOWN 0.0

CVE-2026-82987

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

There exists a screen capture endpoint in vCast media streaming service in ViewSonic ViewBoard unknown allows a remote, unauthenticated attacker to capture and exfiltrate the current screen content via GET requests to an unauthenticated /snapshot or /screen endpoint returning JPEGs

Vendor	viewsonic
Product	vcast
Published	Oct 21, 2026

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Affected Versions

Viewsonic / vCast

v0.0.0 ≤ v3.2.715

References

NVD ↗ CVE.org ↗ EPSS Data ↗

blog.l3afs.space: https://blog.l3afs.space/posts/Vcast-Viewsonic-RCE-chain/ kb.cert.org: https://kb.cert.org/vuls/id/234131