{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18749","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","state":"PUBLISHED","assignerShortName":"certcc","dateReserved":"2026-08-03T21:27:40.008Z","datePublished":"2026-08-12T21:10:19.828Z","dateUpdated":"2026-08-13T15:46:38.941Z"},"containers":{"cna":{"title":"CVE-2026-18749","descriptions":[{"lang":"en","value":"The type=track branch authorises on _is_my_case(t_attach.case) only and never checks VinceTrackAttachment.shared. A coordinator-uploaded case artefact that has NOT been marked shared is still retrievable by any case member who has (or is sent) its uuid — leaks not-yet-released coordinator material to vendors on the case."}],"source":{"discovery":"INTERNAL"},"affected":[{"vendor":"CERT/CC","product":"VINCE","versions":[{"status":"affected","version":"0","lessThan":"3.0.44","versionType":"semver"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key"}]}],"references":[{"url":"https://github.com/CERTCC/VINCE"},{"url":"https://github.com/CERTCC/VINCE/pull/235"}],"x_generator":{"engine":"VINCE 3.0.44","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-18749"},"providerMetadata":{"orgId":"37e5125f-f79b-445b-8fad-9564f167944b","shortName":"certcc","dateUpdated":"2026-08-12T21:10:19.828Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-639","lang":"en","description":"CWE-639 Authorization Bypass Through User-Controlled Key"}]}],"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":"2026-08-13T15:46:20.323615Z","id":"CVE-2026-18749","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-13T15:46:38.941Z"}}]}}