CVE-2026-119548

Description

Lago through 1.55.0 contains an authorization bypass vulnerability in Invoices::Payments::StripeService that allows users of one organization to mark another organization's invoice as paid due to an unscoped invoice lookup. Attackers controlling their organization's Stripe integration can sign a payment_intent.succeeded event carrying a victim invoice UUID to unlock wallet top-ups or payment-gated subscriptions.

References

• https://abraxaslabs.tech/research/lago-stripe-invoice-idor
• https://github.com/getlago/lago-api
• https://github.com/getlago/lago-api/blob/v1.55.0/app/services/invoices/payments/stripe_service.rb#L116-L117
• https://github.com/getlago/lago-api/blob/v1.55.0/app/services/invoices/payments/stripe_service.rb#L23-L24
• https://www.vulncheck.com/advisories/lago-through-1.55.0-cross-organization-invoice-payment-manipulation-via-stripe-webhook