Pico 3.0.0-alpha.2 Exploit Online

An attacker can trigger the exploit with a single curl command. The goal is to inject a PHP web shell into the Twig cache file.

curl -I https://victim.com/pico/

The root cause lies in a dangerous combination of two features introduced in the alpha branch: and YAML parameter parsing . Pico 3.0.0-alpha.2 Exploit

: This JavaScript library had a method injection vulnerability (CVE-2026-33672) fixed in version 3.0.2, but this is distinct from the "alpha.2 exploit" phrasing .

The Pico 3.0.0-alpha.2 exploit serves as a stark reminder of the dangers of deploying alpha-stage software in production environments. Alpha builds are meant exclusively for isolated testing. To protect your digital assets, always keep your CMS updated, monitor your server logs continuously, and implement robust web application firewalls to block exploit attempts at the perimeter. To help secure your specific environment, let me know: An attacker can trigger the exploit with a

For developers using PICO-8:

: Pine used Pico as its default composer for writing emails. : This JavaScript library had a method injection

This effectively runs the code. The exploit works because the preprocessor misinterprets the string. I should also mention that it only costs 8 tokens.