CVE-2026-0591 code-projects Online Product Reservation System Cart Update update.php sql injection

Medium 5.3 Published 5 Jan 2026 Updated 23 Feb 2026

Remote attackers can exploit SQL injection in the cart update handler to read or modify database contents.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-0591?

CVE-2026-0591 is a medium-severity SQL injection vulnerability in code-projects Online Product Reservation System, published on 5 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was identified in code-projects Online Product Reservation System 1.0. The impacted element is an unknown function of the file /app/checkout/update.php of the component Cart Update Handler. Such manipulation of the argument id/qty leads to sql injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used.

Weakness: CWE-89, CWE-74

Which versions are affected by CVE-2026-0591?

It affects 1 product.

Products include Fabian Online Product Reservation System.

How do I fix CVE-2026-0591?

No fix has been published for CVE-2026-0591 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2026-0591 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-0591 exists.

Sources

Also known as GHSA-38ch-ph64-r3h5.