Requires ProtocolLib as a dependency.
The current fix mainly relies on rate-limiting methods. Feel free to share better approaches in the comments section.
Vulnerability affected versions: All servers running 1.21.2 and above.
Server owners on 1.21.11 can update to the latest Paper build for a complete fix.
Vulnerability demo video:
The current fix mainly relies on rate-limiting methods. Feel free to share better approaches in the comments section.
Vulnerability affected versions: All servers running 1.21.2 and above.
Server owners on 1.21.11 can update to the latest Paper build for a complete fix.
Vulnerability demo video:
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Spigot — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
BundleDupeV3 Fixer is a free Minecraft Java mod. Compatible with Minecraft 1.21. Downloaded 307 times (via Spigot). Download it and open it directly in the game.