Lago through 1.55.0 contains an authorization bypass vulnerability in Invoices::Payments::StripeService that allows users of one…
CVE-2026-119548
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 paymentintent.succeeded event carrying a victim invoice UUID to unlock wallet top-ups or payment-gated subscriptions.
Assessment
- CVSS
- 2.3 (v4.0)
- Severity
- Low
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 30 October 2026
- Last updated
- 30 October 2026
- Weakness
- CWE-639
- Assigner
- disclosure@vulncheck.com
CVSS vectorCVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/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
At the source
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
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