{"id":"CVE-2026-119420","aliases":[],"cve":{"records":[{"id":"CVE-2026-119420","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-30T02:41:12.203Z","published":"2026-10-30T11:30:51.565Z","modified":"2026-10-30T11:30:51.565Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-30T11:30:51.565Z"}],"references":[{"url":"https://github.com/getlago/lago-api/commit/5a9d5935b027d1db7171c7c015283d5870451305","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/getlago/lago-api/pull/6146","tags":["issue-tracking","patch"],"source":"VulnCheck"},{"url":"https://github.com/getlago/lago-api/blob/v1.55.0/app/services/users_service.rb#L89-L98","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/getlago/lago-api/blob/v1.55.0/app/services/invites/accept_service.rb#L15-L16","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://abraxaslabs.tech/research/lago-invite-ato","tags":["third-party-advisory"],"source":"VulnCheck"},{"url":"https://github.com/getlago/lago-api","tags":["product"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/lago-through-1.55.0-authentication-bypass-via-acceptinvite-graphql-mutation","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-288","description":"Authentication Bypass Using an Alternate Path or Channel","source":"VulnCheck"}],"applicability":[],"prioritization":[]},"title":"Lago through 1.55.0 Authentication Bypass via acceptInvite GraphQL Mutation","titleSource":"VulnCheck","descriptionSource":"VulnCheck","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.","score":8.8,"severity":"high","published":"2026-10-30T11:30:51.565Z","modified":"2026-10-30T11:30:51.565Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"getlago","name":"lago","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.55.0","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-119420"}],"remediation":[],"references":["https://github.com/getlago/lago-api/commit/5a9d5935b027d1db7171c7c015283d5870451305","https://github.com/getlago/lago-api/pull/6146","https://github.com/getlago/lago-api/blob/v1.55.0/app/services/users_service.rb#L89-L98","https://github.com/getlago/lago-api/blob/v1.55.0/app/services/invites/accept_service.rb#L15-L16","https://abraxaslabs.tech/research/lago-invite-ato","https://github.com/getlago/lago-api","https://www.vulncheck.com/advisories/lago-through-1.55.0-authentication-bypass-via-acceptinvite-graphql-mutation"],"sources":[{"name":"CVE","id":"CVE-2026-119420","modified":"2026-10-30T11:30:51.565Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-119420"}],"assessments":[{"source":"VulnCheck","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","score":8.7},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8}],"sourceAffected":[],"observedAt":"2026-10-30T11:36:20.544Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T10:20:31.211Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"Lago versions up to 1.55.0 have an authentication bypass vulnerability via the acceptInvite GraphQL mutation, allowing organization administrators to obtain session tokens without a password check. Attackers can access a victim's organizations, billing data, API keys, and payment integrations. Local access is required.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T11:51:11.050Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-119420"}]}}