CVE-2026-108973

High

Description

A vulnerability was determined in SourceCodester Contact Tracing System 1.0. Affected by this issue is the function move_uploaded_file of the file /classes/Users.php?f=save. This manipulation of the argument img/id causes unrestricted upload. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

SeverityHigh

CVSS7.3

Exploit probability21. percentile0.3%

ProductSourcecodester Contact Tracing System

PublishedOct 13, 2026

First seenOct 13, 2026

Weakness typeCWE-434Unrestricted upload of dangerous file type CWE-284Improper access control

How to fix

Patches

tracexlabs.com/releases/contact-tracing-preauth-rce.html

Affected products

Product	Affected versions	Fixed in
sourcecodester contact_tracing_system	1.0	—

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