CVE-2026-56252
5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Summary
Capgo before 12.128.2 contains a scope isolation vulnerability in the POST /webhooks/test endpoint that allows app-scoped API keys to invoke org-scoped webhook operations. Attackers with app-scoped credentials can trigger signed outbound webhook deliveries for arbitrary organization webhooks outside their declared app boundary, bypassing the limited_to_apps authorization check.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Capgo | Capgo | 0 < 12.128.2 | affected |
| Capgo | Capgo | 12.128.2 | unaffected |
Weaknesses
- CWE-863: Incorrect Authorization
References
- https://github.com/Cap-go/capgo/security/advisories/GHSA-qvr7-f6j6-64wp
- https://www.vulncheck.com/advisories/capgo-scope-isolation-failure-in-webhook-test-endpoint
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.