{"id":"CVE-2026-119420","published":"2026-10-30T12:16:38.717","lastModified":"2026-10-30T19:23:25.493","description":"Lago through 1.55.0 contains an authentication bypass vulnerability that allows organization administrators to obtain session tokens for existing accounts via the acceptInvite mutation without a password check. Attackers can invite a victim's email, accept with an arbitrary password, and receive a JWT to access the victim's organizations, billing data, API keys and payment integrations.","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-288"],"vendors":[],"products":[],"references":[{"url":"https://abraxaslabs.tech/research/lago-invite-ato","tags":[]},{"url":"https://github.com/getlago/lago-api","tags":[]},{"url":"https://github.com/getlago/lago-api/blob/v1.55.0/app/services/invites/accept_service.rb#L15-L16","tags":[]},{"url":"https://github.com/getlago/lago-api/blob/v1.55.0/app/services/users_service.rb#L89-L98","tags":[]},{"url":"https://github.com/getlago/lago-api/commit/5a9d5935b027d1db7171c7c015283d5870451305","tags":[]},{"url":"https://github.com/getlago/lago-api/pull/6146","tags":[]},{"url":"https://www.vulncheck.com/advisories/lago-through-1.55.0-authentication-bypass-via-acceptinvite-graphql-mutation","tags":[]}],"exploitRefs":[{"url":"https://github.com/getlago/lago-api","tags":[]},{"url":"https://github.com/getlago/lago-api/blob/v1.55.0/app/services/invites/accept_service.rb#L15-L16","tags":[]},{"url":"https://github.com/getlago/lago-api/blob/v1.55.0/app/services/users_service.rb#L89-L98","tags":[]},{"url":"https://github.com/getlago/lago-api/commit/5a9d5935b027d1db7171c7c015283d5870451305","tags":[]},{"url":"https://github.com/getlago/lago-api/pull/6146","tags":[]}],"hasPoc":true,"ai":null}