CVE-2026-82987

Full vulnerability record from the local CVENow database.

Description

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

Severity

Not scored

CVSS score

Not available

Vulnerability status

Deferred

Source identifier

[email protected]

Published

2026-10-21 21:19:17.507000

Last modified

2026-10-22 17:40:46.877000

View original CVE JSON

{
  "id": "CVE-2026-82987",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-21T21:19:17.507",
  "lastModified": "2026-10-22T17:40:46.877",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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"
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Viewsonic",
          "product": "vCast",
          "versions": [
            {
              "version": "v0.0.0",
              "lessThanOrEqual": "v3.2.715",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://blog.l3afs.space/posts/Vcast-Viewsonic-RCE-chain/",
      "source": "[email protected]"
    },
    {
      "url": "https://kb.cert.org/vuls/id/234131",
      "source": "[email protected]"
    }
  ]
}