New API: Stripe Webhook Signature Bypass via Empty Secret Enables Unlimited Quota Fraud — CVE-2026-41432

Summary

## Summary A critical vulnerability exists in the Stripe webhook handler that allows an **unauthenticated attacker to forge webhook events** and credit arbitrary quota to their account without making any payment. The vulnerability stems from three compounding flaws: 1. The Stripe webhook endpoint does not reject requests when `StripeWebhookSecret` is empty (the default). 2. When the HMAC secret is empty, any…

Product

go: github.com/QuantumNous/new-api

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

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