CVE-2026-56079
Capgo - Cross-Tenant Authorization Bypass via PostgREST Webhook Access
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-200 |
| Vendor | capgo |
| Product | capgo |
| Published | Jun 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
Capgo / Capgo
0 < 12.128.2
References
Credits
🔍 Judel777