{"id":"CVE-2026-82989","state":"PUBLISHED","title":"CVE-2026-82989","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","publishedAt":"2026-10-05T23:14:14.325Z","updatedAt":"2026-10-06T14:08:03.179Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"certcc","products":["Viewsonic vCast"],"affected":[{"vendor":"Viewsonic","product":"vCast","versions":[{"version":"v0.0.0","status":"affected","lessThanOrEqual":"v3.2.715","versionType":"custom"}]}],"references":["https://blog.l3afs.space/posts/Vcast-Viewsonic-RCE-chain/","https://kb.cert.org/vuls/id/234131"],"weaknesses":["CWE-147","CWE-74"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/82xxx/CVE-2026-82989.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82989","state":"PUBLISHED","datePublished":"2026-10-05T23:14:14.325Z","dateUpdated":"2026-10-06T14:08:03.179Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2026-08-31T15:22:36.481Z"},"containers":{"cna":{"title":"CVE-2026-82989","descriptions":[{"lang":"en","value":"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"}],"affected":[{"vendor":"Viewsonic","product":"vCast","versions":[{"version":"v0.0.0","status":"affected","lessThanOrEqual":"v3.2.715","versionType":"custom"}]}],"references":[{"url":"https://blog.l3afs.space/posts/Vcast-Viewsonic-RCE-chain/"},{"url":"https://kb.cert.org/vuls/id/234131"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-147 Improper Neutralization of Input During Web Page Generation (“Input Injection”)"}]},{"descriptions":[{"lang":"en","description":"CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"}]}],"providerMetadata":{"shortName":"certcc","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateUpdated":"2026-10-05T23:14:14.325Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"VINCE 3.0.49","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-82989"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-06T14:06:46.321838Z","id":"CVE-2026-82989","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-147","type":"CWE","lang":"en","description":"CWE-147 Improper Neutralization of Input Terminators"},{"cweId":"CWE-74","type":"CWE","lang":"en","description":"CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-06T14:08:03.179Z"}}]}}}