---
title: "CVE-2026-33639: InvoicePlane - SQL Injection"
description: "InvoicePlane < 1.7.2 contains a SQL injection caused by lack of strict integer validation on administrator-controlled tax_rate_decimal_places in ALTER TABLE statement, letting attackers corrupt database schema and cause denial of service, exploit requires admin privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-33639/
---

# CVE-2026-33639 InvoicePlane - SQL Injection

InvoicePlane < 1.7.2 contains a SQL injection caused by lack of strict integer validation on administrator-controlled tax\_rate\_decimal\_places in ALTER TABLE statement, letting attackers corrupt database schema and cause denial of service, exploit requires admin privileges.

CVSS base score 7.2 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.40% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-33639)

## Details

Type

SQL Injection

Impact

Data Tampering, Denial Of Service

CVSS vector

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

Published

25 September 2026

Updated

15 October 2026

Weakness

[CWE-89](https://cwe.mitre.org/data/definitions/89.html)

## Vendor fix

Upgrade to version 1.7.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-33639](https://nvd.nist.gov/vuln/detail/CVE-2026-33639)
- [https://github.com/InvoicePlane/InvoicePlane/security/advisories/GHSA-34g5-4hfc-g983](https://github.com/InvoicePlane/InvoicePlane/security/advisories/GHSA-34g5-4hfc-g983)
- [https://github.com/InvoicePlane/InvoicePlane/commit/8fe41750d7c6fd039ac7353e5311bf4c140c3436](https://github.com/InvoicePlane/InvoicePlane/commit/8fe41750d7c6fd039ac7353e5311bf4c140c3436)
- [https://github.com/InvoicePlane/InvoicePlane/commit/efec2d28d574ca616f218d758bd5adaa9a60b3a0](https://github.com/InvoicePlane/InvoicePlane/commit/efec2d28d574ca616f218d758bd5adaa9a60b3a0)
- [https://github.com/InvoicePlane/InvoicePlane/commit/fca7792a24de0a749d881cbbe4af6f58e9545d20](https://github.com/InvoicePlane/InvoicePlane/commit/fca7792a24de0a749d881cbbe4af6f58e9545d20)
- [https://github.com/InvoicePlane/InvoicePlane/pull/1481](https://github.com/InvoicePlane/InvoicePlane/pull/1481)
- [https://github.com/InvoicePlane/InvoicePlane/pull/1488](https://github.com/InvoicePlane/InvoicePlane/pull/1488)
- [https://github.com/InvoicePlane/InvoicePlane/releases/tag/v1.7.2](https://github.com/InvoicePlane/InvoicePlane/releases/tag/v1.7.2)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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