{"id":"CVE-2026-18744","title":"Any authenticated case participant can fetch any OTHER vendor's CaseStatement + per-vul CaseMemberStatus by supplying that member's id — test_func only checks _is_my_case, not ownership of kwargs['member']","summary":"Any authenticated case participant can fetch any OTHER vendor's CaseStatement + per-vul CaseMemberStatus by supplying that member's id — test_func only checks _is_my_case, not ownership of kwargs['member']. Bypasses share_status; leaks e…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-639"],"published":"2026-08-12","updated":"2026-09-08","sourceUpdated":"2026-09-08T14:07:24.140","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-18744","references":[{"url":"https://github.com/CERTCC/VINCE","label":"cret@cert.org"},{"url":"https://github.com/CERTCC/VINCE/pull/235","label":"cret@cert.org"}],"tags":["nvd"],"epss":0.003,"epssPercentile":0.22906,"ingestedAt":"2026-09-08T15:33:26.953Z","slug":"CVE-2026-18744","body":"## Overview\n\nAny authenticated case participant can fetch any OTHER vendor's CaseStatement + per-vul CaseMemberStatus by supplying that member's id — 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}