CVE-2026-119731

HIGH 7.5

Munshi Payment Bypass via Unauthenticated Webhook Endpoint

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-345 CWE-306
Vendor	petpooja
Product	munshi
Published	Nov 2, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Affected Versions

Petpooja / Munshi

0 ≤ 2026-06-30

References

NVD ↗ CVE.org ↗ EPSS Data ↗

medium.com: https://medium.com/@TheWildEye/payment-bypass-in-munshi-forging-a-phonepe-webhook-to-activate-an-unpaid-subscription-ce0806829fa4 petpooja.com: https://www.petpooja.com/ vulncheck.com: https://www.vulncheck.com/advisories/munshi-payment-bypass-via-unauthenticated-webhook-endpoint

Credits

Vyom Nagpal