{"id":"CVE-2026-18749","aliases":["EUVD-2026-57633","GHSA-fmgm-gh7c-hwv2"],"status":"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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00512,"percentile":0.44103,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-08-12T21:10:19Z","modified":"2026-10-28T02:30:47Z","products":[{"vendor":"cert/cc","product":"vince"}],"references":[{"url":"https://github.com/CERTCC/VINCE","tags":["package"]},{"url":"https://github.com/CERTCC/VINCE/pull/235","tags":["fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18749","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fmgm-gh7c-hwv2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18749.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-18749","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.","status":"published","published":"2026-08-12T21:10:19.828Z","modified":"2026-08-13T15:46:38.941Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:20:12.260247Z"}],"euvd":[{"id":"EUVD-2026-57633","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.","status":"published","published":"2026-08-12T21:10:19Z","modified":"2026-08-13T15:46:38Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:56.066325Z"}],"ghsa":[{"id":"GHSA-fmgm-gh7c-hwv2","title":"The type=track branch authorises on _is_my_case(t_attach.case) only and never checks...","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.","status":"published","published":"2026-08-13T00:31:25Z","modified":"2026-08-13T18:32:29Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:10:26.766632Z"}],"nvd":[{"id":"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.","status":"published","published":"2026-08-12T22:17:14.933Z","modified":"2026-10-23T19:10:00.167Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:37.217486Z"}],"osv":[{"id":"CVE-2026-18749","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.","status":"published","published":"2026-08-12T21:10:19.828Z","modified":"2026-10-28T02:30:47.257703468Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:58.024074Z"}]}}