Vulnerability · Published May 8, 2026 · Assigned by GitHub_M
CVE-2026-41432New API: Stripe Webhook Signature Bypass via Empty Secret Enables Unlimited Quota Fraud
High 7.1
In plain English
A high-severity insufficient verification of data authenticity in new-api from QuantumNous. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 58% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. Fixed versions are available - upgrade the affected package.
Official description
New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior to version 0.12.10, a 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. This issue has been patched in version 0.12.10.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/QuantumNous/new-api | 0.12.10 | GHSA-xff3-5c9p-2mr4 |
| Go | github.com/QuantumNous/new-api | 0.12.10 | GO-2026-5753 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| QuantumNous | new-api | < 0.12.10 |
Weakness: CWE-345, CWE-1188, CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
References
- https://github.com/QuantumNous/new-api/security/advisories/GHSA-xff3-5c9p-2mr4 x_refsource_CONFIRM
- https://github.com/QuantumNous/new-api/releases/tag/v0.12.10 x_refsource_MISC