CVE-2026-41432

New API: Stripe Webhook Signature Bypass via Empty Secret Enables Unlimited Quota Fraud

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

QuantumNous · new-api

CVSS v3.1 NVD

8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

CVSS v3.1 GITHUB

7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

EPSS

0.75% chance of exploitation in the next 30 days, 54th percentile

Nuclei

high · CWE-345

Published

2026-05-08

Updated

2026-05-12

Proof-of-concept exploits (1)

• advisories/GHSA-xff3-5c9p-2mr4

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-41432.yaml

Security advisories

• QuantumNous/new-api/security/advisories/GHSA-xff3-5c9p-2mr4
• QuantumNous/new-api/releases/tag/v0.12.10

References

• CVE Record
• NVD entry