{"id":"CVE-2026-56252","title":"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","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…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-863"],"published":"2026-07-12","updated":"2026-07-12","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-56252","references":[{"url":"https://github.com/Cap-go/capgo/security/advisories/GHSA-qvr7-f6j6-64wp","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/capgo-scope-isolation-failure-in-webhook-test-endpoint","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-07-12T12:20:13.242Z","epss":0.00282,"epssPercentile":0.21007,"slug":"CVE-2026-56252","body":"## Overview\n\nCapgo 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}