{"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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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "lago", "repo": "https://github.com/getlago/lago-api", "vendor": "getlago", "versions": [{"lessThanOrEqual": "1.55.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "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."}], "id": "CVE-2026-119420", "lastModified": "2026-10-30T19:23:25.493", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-10-30T12:16:38.717", "references": [{"source": "disclosure@vulncheck.com", "url": "https://abraxaslabs.tech/research/lago-invite-ato"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/getlago/lago-api"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/getlago/lago-api/blob/v1.55.0/app/services/invites/accept_service.rb#L15-L16"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/getlago/lago-api/blob/v1.55.0/app/services/users_service.rb#L89-L98"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/getlago/lago-api/commit/5a9d5935b027d1db7171c7c015283d5870451305"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/getlago/lago-api/pull/6146"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/lago-through-1.55.0-authentication-bypass-via-acceptinvite-graphql-mutation"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-288"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.55.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "lago", "source": "cna", "vendor": "getlago"}, "product": "lago", "vendor": "getlago"}], "created": "2026-10-30T13:45:15.112887+00:00", "updated": "2026-10-30T22:54:46.568411+00:00", "vendors": ["getlago", "getlago$PRODUCT$lago"]}