From BigGo Finance · BigGo Finance · · 1m 30s
Switch 2 Cracked: Modder Uses OpenAI's Codex to Jailbreak Nintendo's New Console
Modder uses OpenAI's Codex to jailbreak Nintendo's Switch 2, enabling homebrew and unlicensed games.
In brief
Modder uses OpenAI's Codex to jailbreak Nintendo's Switch 2, enabling homebrew and unlicensed games. A modder cracked Nintendo's Switch 2 using OpenAI's Codex, allowing homebrew apps and unlicensed game mods. Originally reported by BigGo Finance.
First public jailbreak for Switch 2
A modder published the first public jailbreak for Nintendo's Switch 2 using OpenAI's Codex.
Software-only exploit ns2jb
The software-only exploit ns2jb works on firmware 23.0.1 and requires a separate computer to run.
Demonstrated capabilities
It enables homebrew programs, save file backups, and modified Mario Kart World with unlicensed characters.
Tethered nature of exploit
The jailbreak must be re-run after every reboot and requires a separate computer running Linux or macOS.
SmileBASIC 4 pulled from eShop
SmileBASIC 4 has been pulled from the Nintendo eShop in the US and Europe, leaving only existing users.
AI-assisted development process
The researcher used OpenAI's Codex with a JetKVM and SwitchBot to control the console's input and output.
Two weaknesses exploited
Codex first attacked WebKit and SmileBASIC 4's numeric routines before finding a file system vulnerability.
Mario Kart World mod
The modder created a Mario Kart World version with unlicensed characters like Cinnamoroll and Peter Griffin in a day.
Validation and timeline
The exploit was validated on October 21, 2026, succeeding on the third attempt after a reboot.
At a glance
A modder cracked Nintendo's Switch 2 using OpenAI's Codex, allowing homebrew apps and unlicensed game mods.
