{"id":"CVE-2026-56079","title":"Capgo - Cross-Tenant Authorization Bypass via PostgREST Webhook Access","summary":"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…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-200"],"vendor":"Capgo","product":"Capgo","affected":["Capgo < 12.128.2"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-22T17:44:53.103003Z"},"exploitAvailable":true,"published":"2026-06-19","updated":"2026-11-08","sourceUpdated":"2026-11-08T14:05:28.082Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-56079","references":[{"url":"https://github.com/Cap-go/capgo/security/advisories/GHSA-hj3h-v877-g5rx","label":"GitHub Security Advisory (GHSA-hj3h-v877-g5rx)"},{"url":"https://www.vulncheck.com/advisories/capgo-cross-tenant-authorization-bypass-via-postgrest-webhook-access","label":"VulnCheck Advisory: Capgo - Cross-Tenant Authorization Bypass via PostgREST Webhook Access"}],"tags":["cve.org","exploit-available"],"epss":0.00409,"epssPercentile":0.35456,"ingestedAt":"2026-11-08T14:51:22.371Z","slug":"CVE-2026-56079","body":"## Overview\n\nCapgo 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.\n\n## Affected\n\n- `Capgo < 12.128.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}