What’s Vulnerable › Vulnerabilities

CVE-2026-77240: WACRM: Database-layer authorization bypasses

• Severity: critical (CVSS 9.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-18 · updated 2026-09-30
• Weakness: CWE-639

Description

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.

Affected products

• ArnasDon wacrm: through 0.7.0

References

• https://github.com/ArnasDon/wacrm/commit/e01f7ed37184f972ace8fb2da5c3e37e56a6050f
• https://github.com/ArnasDon/wacrm/pull/350
• https://github.com/ArnasDon/wacrm/security/advisories/GHSA-fg5p-2qc3-jmxr
• https://github.com/ArnasDon/wacrm/security/advisories/GHSA-fg5p-2qc3-jmxr

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