{"id":"CVE-2026-77240","title":"WACRM is a self-hostable CRM template for WhatsApp","summary":"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 a…","severity":"critical","cvss":9.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-639"],"vendor":"ArnasDon","product":"wacrm","affected":["wacrm <= 0.7.0"],"published":"2026-09-18","updated":"2026-09-23","sourceUpdated":"2026-09-23T20:17:15.427","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77240","references":[{"url":"https://github.com/ArnasDon/wacrm/commit/e01f7ed37184f972ace8fb2da5c3e37e56a6050f","label":"security-advisories@github.com"},{"url":"https://github.com/ArnasDon/wacrm/pull/350","label":"security-advisories@github.com"},{"url":"https://github.com/ArnasDon/wacrm/security/advisories/GHSA-fg5p-2qc3-jmxr","label":"security-advisories@github.com"},{"url":"https://github.com/ArnasDon/wacrm/security/advisories/GHSA-fg5p-2qc3-jmxr","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-09-23T19:04:50.534844Z"},"epss":0.00274,"epssPercentile":0.20041,"ingestedAt":"2026-09-18T16:45:41.404Z","slug":"CVE-2026-77240","body":"## Overview\n\nWACRM 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":67,"depthScoreParts":{"impact":54.5,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":209856,"id":"CVE-2026-77240","ts":1790191922851,"field":"exploit_available","old":"false","new":"true"}]}