{"id":"CVE-2026-119420","aliases":["EUVD-2026-113800","GHSA-gvqv-g6vj-p22g"],"status":"published","title":"Lago through 1.55.0 Authentication Bypass via acceptInvite GraphQL Mutation","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.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00394,"percentile":0.34082,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-288"],"published":"2026-10-30T11:30:51Z","modified":"2026-11-05T21:14:44Z","products":[{"vendor":"getlago","product":"lago"}],"references":[{"url":"https://github.com/getlago/lago-api/commit/5a9d5935b027d1db7171c7c015283d5870451305","tags":["patch","fix"]},{"url":"https://github.com/getlago/lago-api/pull/6146","tags":["issue-tracking","patch","fix"]},{"url":"https://github.com/getlago/lago-api/blob/v1.55.0/app/services/users_service.rb#L89-L98","tags":["technical-description","article"]},{"url":"https://github.com/getlago/lago-api/blob/v1.55.0/app/services/invites/accept_service.rb#L15-L16","tags":["technical-description","article"]},{"url":"https://abraxaslabs.tech/research/lago-invite-ato","tags":["third-party-advisory","exploit","advisory"]},{"url":"https://github.com/getlago/lago-api","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/lago-through-1.55.0-authentication-bypass-via-acceptinvite-graphql-mutation","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119420","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-gvqv-g6vj-p22g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/119xxx/CVE-2026-119420.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-119420","title":"Lago through 1.55.0 Authentication Bypass via acceptInvite GraphQL Mutation","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.","status":"published","published":"2026-10-30T11:30:51.565Z","modified":"2026-11-05T21:14:44.889Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-288"],"updated_at":"2026-11-05T22:55:19.167207Z"}],"euvd":[{"id":"EUVD-2026-113800","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.","status":"published","published":"2026-10-30T11:30:51Z","modified":"2026-11-05T21:14:44Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-05T22:02:08.543452Z"}],"ghsa":[{"id":"GHSA-gvqv-g6vj-p22g","title":"Lago through 1.55.0 contains an authentication bypass vulnerability that allows organization...","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.","status":"published","published":"2026-10-30T12:31:18Z","modified":"2026-10-30T12:31:24Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T15:14:42.307242Z"}],"nvd":[{"id":"CVE-2026-119420","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.","status":"published","published":"2026-10-30T12:16:38.717Z","modified":"2026-11-05T22:17:49.6Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-288"],"updated_at":"2026-11-05T23:57:22.627849Z"}],"osv":[{"id":"CVE-2026-119420","title":"Lago through 1.55.0 Authentication Bypass via acceptInvite GraphQL Mutation","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.","status":"published","published":"2026-10-30T11:30:51.565Z","modified":"2026-11-07T02:30:42.406937427Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-288"],"updated_at":"2026-11-07T03:08:01.41647Z"}]}}