{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-119420", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-30T02:41:12.203Z", "datePublished": "2026-10-30T11:30:51.565Z", "dateUpdated": "2026-10-30T11:30:51.565Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-30T11:30:51.565Z"}, "datePublic": "2026-08-13T00:00:00.000Z", "title": "Lago through 1.55.0 Authentication Bypass via acceptInvite GraphQL Mutation", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Authentication Bypass Using an Alternate Path or Channel", "cweId": "CWE-288", "type": "CWE"}]}], "affected": [{"vendor": "getlago", "product": "lago", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThanOrEqual": "1.55.0", "status": "affected", "versionType": "semver"}], "repo": "https://github.com/getlago/lago-api"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/getlago/lago-api/commit/5a9d5935b027d1db7171c7c015283d5870451305", "tags": ["patch"]}, {"url": "https://github.com/getlago/lago-api/pull/6146", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/getlago/lago-api/blob/v1.55.0/app/services/users_service.rb#L89-L98", "tags": ["technical-description"]}, {"url": "https://github.com/getlago/lago-api/blob/v1.55.0/app/services/invites/accept_service.rb#L15-L16", "tags": ["technical-description"]}, {"url": "https://abraxaslabs.tech/research/lago-invite-ato", "tags": ["third-party-advisory"]}, {"url": "https://github.com/getlago/lago-api", "tags": ["product"]}, {"name": "VulnCheck Advisory: Lago through 1.55.0 Authentication Bypass via acceptInvite GraphQL Mutation", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/lago-through-1.55.0-authentication-bypass-via-acceptinvite-graphql-mutation"}], "credits": [{"lang": "en", "value": "Abraxas Labs", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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