---
title: "CVE-2026-54596: ITFlow - SQL Injection"
description: "ITFlow < 26.07 contains a SQL injection caused by improper sanitization of the frequency parameter in agent/post/recurring_invoice.php, letting authenticated Technicians inject SQL to expose and modify sensitive data, exploit requires authenticated Technician or higher with access to a client invoice."
url: https://panop.io/threat-heartbeat/CVE-2026-54596/
---

# CVE-2026-54596 ITFlow - SQL Injection

ITFlow < 26.07 contains a SQL injection caused by improper sanitization of the frequency parameter in agent/post/recurring\_invoice.php, letting authenticated Technicians inject SQL to expose and modify sensitive data, exploit requires authenticated Technician or higher with access to a client invoice.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

Proof of concept available

Authentication

Required

EPSS

0.48% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-54596)

## Details

Type

SQL Injection

Impact

Information Disclosure, Data Tampering, Privilege Escalation

CVSS vector

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

Published

17 September 2026

Updated

15 October 2026

Weakness

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

## Vendor fix

Update to version 26.07 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-2026-54596](https://nvd.nist.gov/vuln/detail/CVE-2026-54596)
- [https://github.com/itflow-org/itflow/commit/721142629296ac8e335a79b32fd4d2df721234a8](https://github.com/itflow-org/itflow/commit/721142629296ac8e335a79b32fd4d2df721234a8)
- [https://github.com/itflow-org/itflow/pull/1284](https://github.com/itflow-org/itflow/pull/1284)
- [https://github.com/itflow-org/itflow/releases/tag/v26.07](https://github.com/itflow-org/itflow/releases/tag/v26.07)
- [https://github.com/itflow-org/itflow/security/advisories/GHSA-f9m3-qjc9-v27j](https://github.com/itflow-org/itflow/security/advisories/GHSA-f9m3-qjc9-v27j)

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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

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