{"id":"CVE-2026-18749","state":"PUBLISHED","title":"CVE-2026-18749","description":"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.","publishedAt":"2026-08-12T21:10:19.828Z","updatedAt":"2026-08-13T15:46:38.941Z","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":["CERT/CC VINCE"],"affected":[{"vendor":"CERT/CC","product":"VINCE","versions":[{"version":"0","status":"affected","lessThan":"3.0.44","versionType":"semver"}]}],"references":["https://github.com/CERTCC/VINCE","https://github.com/CERTCC/VINCE/pull/235"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/18xxx/CVE-2026-18749.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18749","state":"PUBLISHED","datePublished":"2026-08-12T21:10:19.828Z","dateUpdated":"2026-08-13T15:46:38.941Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2026-08-03T21:27:40.008Z"},"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."}],"affected":[{"vendor":"CERT/CC","product":"VINCE","versions":[{"version":"0","status":"affected","lessThan":"3.0.44","versionType":"semver"}]}],"references":[{"url":"https://github.com/CERTCC/VINCE"},{"url":"https://github.com/CERTCC/VINCE/pull/235"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key"}]}],"providerMetadata":{"shortName":"certcc","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateUpdated":"2026-08-12T21:10:19.828Z"},"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"VINCE 3.0.44","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-18749"}},"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":"2026-08-13T15:46:20.323615Z","id":"CVE-2026-18749","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","type":"CWE","lang":"en","description":"CWE-639 Authorization Bypass Through User-Controlled Key"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-13T15:46:38.941Z"}}]}}}