CVE-2026-77240

{"id": "CVE-2026-77240", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-77240", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-23T19:04:50.534844Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.1}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "ArnasDon", "product": "wacrm", "versions": [{"status": "affected", "version": "<= 0.7.0"}]}]}], "published": "2026-09-18T17:17:00.360", "references": [{"url": "https://github.com/ArnasDon/wacrm/commit/e01f7ed37184f972ace8fb2da5c3e37e56a6050f", "source": "security-advisories@github.com"}, {"url": "https://github.com/ArnasDon/wacrm/pull/350", "source": "security-advisories@github.com"}, {"url": "https://github.com/ArnasDon/wacrm/security/advisories/GHSA-fg5p-2qc3-jmxr", "source": "security-advisories@github.com"}, {"url": "https://github.com/ArnasDon/wacrm/security/advisories/GHSA-fg5p-2qc3-jmxr", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-639"}]}], "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."}], "lastModified": "2026-09-30T17:32:07.107", "sourceIdentifier": "security-advisories@github.com"}