Overview
- An anonymous developer posted a public jailbreak Thursday that uses a backward‑compatible Switch 1 game and the SmileBASIC 4 eShop app to run native code on Switch 2 systems.
- The exploit is tethered and non‑persistent, so users must reapply the method after every reboot and the developer tied it to a specific app and firmware to work.
- Demonstrations showed Mario Kart World running custom characters and the hack reportedly enables homebrew, game modding, and save backups but does not install kernel‑level custom firmware.
- Multiple outlets and analysts say Nintendo can likely limit spread quickly by removing the implicated SmileBASIC entry from the eShop or issuing targeted patches to close the software entry point.
- The incident underscores growing use of generative AI in finding exploits and raises the risk that technically skilled communities could refine the method toward piracy, which would affect developers and digital storefronts.