{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18744", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-08-03T21:13:39.481Z", "datePublished": "2026-08-12T21:11:19.926Z", "dateUpdated": "2026-08-12T21:11:19.926Z"}, "containers": {"cna": {"title": "CVE-2026-18744", "descriptions": [{"lang": "en", "value": "Any authenticated case participant can fetch any OTHER vendor's CaseStatement + per-vul CaseMemberStatus by supplying that member's id \u2014 test_func only checks _is_my_case, not ownership of kwargs['member']. Bypasses share_status; leaks embargoed vendor affected/not-affected + statement text cross-tenant."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "CERT/CC", "product": "VINCE", "versions": [{"status": "affected", "version": "0", "lessThan": "3.0.44", "versionType": "custom"}]}], "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-2026-18744"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-08-12T21:11:19.926Z"}}}}

{}

{"affected": [{"affectedData": [{"product": "VINCE", "vendor": "CERT/CC", "versions": [{"lessThan": "3.0.44", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "cret@cert.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Any authenticated case participant can fetch any OTHER vendor's CaseStatement + per-vul CaseMemberStatus by supplying that member's id \u2014 test_func only checks _is_my_case, not ownership of kwargs['member']. Bypasses share_status; leaks embargoed vendor affected/not-affected + statement text cross-tenant."}], "id": "CVE-2026-18744", "lastModified": "2026-08-12T22:17:14.823", "metrics": {}, "published": "2026-08-12T22:17:14.823", "references": [{"source": "cret@cert.org", "url": "https://github.com/CERTCC/VINCE"}, {"source": "cret@cert.org", "url": "https://github.com/CERTCC/VINCE/pull/235"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Received"}

{}

{"created": "2026-08-13T02:15:02.666127+00:00", "title": "Authentication Bypass Leading to Cross\u2011Tenant Leakage of Vendor Case Statements", "updated": "2026-08-13T02:15:02.666133+00:00", "vendors": [], "weaknesses": ["CWE-284"]}