{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-77240","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-08-20T19:02:23.415Z","datePublished":"2026-09-18T16:43:42.155Z","dateUpdated":"2026-09-23T19:04:56.356Z"},"containers":{"cna":{"title":"WACRM: Database-layer authorization bypasses","problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/ArnasDon/wacrm/security/advisories/GHSA-fg5p-2qc3-jmxr","tags":["x_refsource_CONFIRM"],"url":"https://github.com/ArnasDon/wacrm/security/advisories/GHSA-fg5p-2qc3-jmxr"},{"name":"https://github.com/ArnasDon/wacrm/pull/350","tags":["x_refsource_MISC"],"url":"https://github.com/ArnasDon/wacrm/pull/350"},{"name":"https://github.com/ArnasDon/wacrm/commit/e01f7ed37184f972ace8fb2da5c3e37e56a6050f","tags":["x_refsource_MISC"],"url":"https://github.com/ArnasDon/wacrm/commit/e01f7ed37184f972ace8fb2da5c3e37e56a6050f"}],"affected":[{"vendor":"ArnasDon","product":"wacrm","versions":[{"version":"<= 0.7.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-09-18T16:43:42.155Z"},"descriptions":[{"lang":"en","value":"WACRM is a self-hostable CRM template for WhatsApp. In version 0.7.0 and earlier, the profiles_update row-level security policy in supabase/migrations/017_account_sharing.sql permits authenticated users to modify their own account_role and account_id, allowing a viewer to self-promote or move into another tenant and then access or modify tenant resources. Separately, match_ai_knowledge_fts and match_ai_knowledge_semantic in supabase/migrations/030_ai_knowledge.sql run as SECURITY DEFINER, accept a caller-controlled p_account_id, and omit an is_account_member check, allowing an authenticated non-member to read another tenant's knowledge-base chunks. This vulnerability is fixed with commit e01f7ed37184f972ace8fb2da5c3e37e56a6050f."}],"source":{"advisory":"GHSA-fg5p-2qc3-jmxr","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/ArnasDon/wacrm/security/advisories/GHSA-fg5p-2qc3-jmxr","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-23T19:04:50.534844Z","id":"CVE-2026-77240","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"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":"2026-09-23T19:04:56.356Z"}}]}}