CVE-2026-56079 – Capgo – Cross-Tenant Authorization Bypass via PostgREST Webhook Access

CVE ID :CVE-2026-56079

Published : June 19, 2026, 9:39 p.m. | 2 hours, 4 minutes ago

Description :Capgo before 12.128.2 contains a cross-tenant authorization bypass vulnerability in PostgREST endpoints that allows org-scoped read API keys to access other tenants’ webhook secrets and delivery logs. Attackers can query the webhooks and webhook_deliveries endpoints to exfiltrate HMAC signing secrets and delivery payloads, enabling forged webhook events against victim organizations.

Severity: 7.1 | HIGH

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