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ExploitFixer 3.9.0

Protect your server. Fix crash, dupe, packets exploits. The ultimate spigot security plugin.

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3.7.6 Feb 8, 2026
ExploitFixer - Update 3.7.6
  • Ability to whitelist bundle slots. (Default: 88)
  • If you want to apply the new defaults, reset config.yml.
3.7.5 Feb 3, 2026
ExploitFixer - Update 3.7.5

Reset your configuration to apply new fix.


- Fixed a exploit that can make your server TPS go down a lot!

3.7.4 Jan 13, 2026
ExploitFixer - Update 3.7.4
  • Ability to enable and disable checks.
3.7.3 Jan 7, 2026
ExploitFixer - Update 3.7.3
  • Added debug for cooldowns applied.
3.7.2 Jan 6, 2026
ExploitFixer - Update 3.7.2
  • Fixed 1.8 errors.
3.7.1b Jan 5, 2026
3.7.1a Jan 5, 2026
3.7.1 Jan 5, 2026
ExploitFixer - Update 3.7.1
  • Fixed critical duplication exploit affecting all servers.
  • Fixed Folia again.
3.7.0 Jan 3, 2026
3.7.0 Jan 3, 2026
ExploitFixer - Update 3.7.0
  • Normalize positions on quit to fix trap exploits.
  • Player cache is now properly clearing.
  • Fixed 1.8 get item in main hand error.
3.6.9 Dec 23, 2025
ExploitFixer - Update 3.6.9
  • Made server bound command suggestion packet less aggressive.
  • Fixed -1 recipe not allowed. Now allowed when clicking empty slot.
3.6.8 Dec 20, 2025
ExploitFixer - Update 3.6.8

Reset your config.yml to apply new changes.

  • Fixed exception on max flags print.
  • Apply more limits to creative sanitizer metadata.
  • Separated modules in configuration files to make it simple to edit.
3.6.7 Dec 20, 2025
ExploitFixer - Update 3.6.7
  • Added performance counter for nbt to detect lag issues.
  • Drop issue when when closing anvil was fixed.
  • Handle multishot enchantment gracefully.
  • Fix crafting drop remainder issue.
  • Use packets to detect drop exploits.
  • Now the flag limit will show exact setting to change.
  • Increase default color limit to 42.
3.6.6 Dec 9, 2025
ExploitFixer - Update 3.6.6

You need to update HamsterAPI or this update will give you errors!

  • Added native fix for beehive exploit.
  • Fixed item analysis false positive with armor slots.
  • Reduced cooldown for throwing xp bottles by default.
  • Fixed failed to send packet on 1.20+.
  • Fixed packet limiter issues with some signs.
  • Fixed issues with some player null.
  • Fixed book limit removal listener throwing errors.
3.6.4 Nov 7, 2025
ExploitFixer - Update 3.6.4
  • Fixed lag from Folia libraries.
3.6.2 Oct 29, 2025
ExploitFixer - Update 3.6.2
  • Fixed Vulcan AntiCheat when players from different version join. (ViaVersion hook)
  • Configurable firework explosion power limit.
  • Fix default value of click_and_throw to fix throwing armors from inventory.
3.6.1 Oct 26, 2025
ExploitFixer - Update 3.6.1
  • Fixed 1.19-1.20 support for packet transaction out of order issue.
3.6.0 Oct 25, 2025
ExploitFixer - Update 3.6.0
  • Fully fixed stage 2 of packet funnel disconnecting because of packet out of order. Fixed Vulcan support!
3.5.8 Oct 12, 2025
ExploitFixer - Update 3.5.8


  • Fix prevent swap not being able to be disabled on modern servers. Now improved swap of armor slots thanks to modern support.

 
3.5.7 Oct 12, 2025
ExploitFixer - Update 3.5.7
  • Fixed anti-cheat support yet again. (Now working!)
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