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HIGH

ITFlow: Authenticated SQL Injection via recurring_invoice_frequency Parameter Enables Full Database Exfiltration

Published Sep 17, 2026

Description

ITFlow provides an IT documentation, ticketing and accounting system for small managed service providers. Prior to version 26.07, an authenticated Technician or higher with access to at least one client invoice can inject SQL through the frequency parameter handled by agent/post/recurring_invoice.php. The handler passes recurring_invoice_frequency through sanitizeInput but interpolates it unquoted into DATE_ADD, allowing SQL syntax to escape the interval expression, assign additional INSERT columns, store subquery results in recurring_invoice_note, and expose those results through agent/recurring_invoice.php. The persisted recurring_invoice_frequency can execute again when Force Recurring uses it in a later UPDATE, allowing another legitimate user to trigger the second-order injection. This can expose password hashes, SMTP credentials, user records, and database metadata, modify database fields, and enable administrative takeover after credential cracking. This issue is fixed in version 26.07.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

References (5)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner GitHub_M
Published Sep 17, 2026
Updated Sep 24, 2026
Reserved Jun 15, 2026
CISA Vulnrichment
Updated Sep 24, 2026
NVD
Status Received
Modified Sep 17, 2026
Red Hat
Severity n/a
Public date n/a
ENISA EUVD
Assigner GitHub_M
Published Sep 17, 2026
Updated Sep 24, 2026
Exploited since n/a
EUVD-2026-82469