{"id":"CVE-2026-100617","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-100617","summary":"Cap-go capgo.app fails to validate that principals in channel_permission_overrides belong to the organization, allowing authenticated app/org admins to grant channel permissions to…","details":"Cap-go capgo.app fails to validate that principals in channel_permission_overrides belong to the organization, allowing authenticated app/org admins to grant channel permissions to non-member users. Attackers with admin privileges can insert override rows with arbitrary external user UUIDs to grant channel-scoped permissions such as channel.promote_bundle to users outside the organization.","published":"2026-09-26T14:16:42.467","modified":"2026-09-26T14:16:42.467","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/Cap-go/capgo.app/security/advisories/GHSA-626c-p6fq-3whq"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/cap-go-capgo-app-authorization-bypass-via-channel-permission-overrides"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-26T14:16:42.467"}}