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CVE-2026-119731Munshi Payment Bypass via Unauthenticated Webhook Endpoint

Munshi (by Petpooja) before 2026-06-30 contained a payment bypass vulnerability in its subscription payment webhook at POST /api/payment/order/webhook, which lacks webhook authentication, cryptographic signature verification, source validation, and independent server-side confirmation with the payment provider. A remote, unauthenticated attacker can submit a forged payment-success notification referencing an order obtained from the payment-status redirect URL, causing the backend to mark the subscription as paid/active and granting paid access without an actual successful payment.

8.7 HIGHEPSS 0.27%Not in KEVNVD: Deferred

OverviewAffected ProductsReferences
NVD CVE.org

Overview

Severity

ScoreSeverityVersionVector String
8.7HIGH4.0VulnCheck (CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
7.5HIGH3.1VulnCheck (CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CVE ID
CVE-2026-119731
Status
Deferred
Assigner (CNA)
VulnCheck
Published
Nov 2, 2026
Last modified
2026-11-02 19:35 UTC
Weaknesses
  • CWE-345 · Insufficient Verification of Data Authenticity
  • CWE-306 · Missing Authentication for Critical Function

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 08:20 UTC.