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SerializationIsBadMinecraft mod for 1.20.4

A Minecraft coremod aiming to patch serious security vulnerabilities found in many different mods

newest supported 1.20.4
Latest version
1.5.2
Minecraft
1.6.1 to 1.20.4
Java
Java 17+
Loader
Forge
Licence
MIT
Downloads
482.1k
Updated
3 y ago
Available on
Modrinth
Space NodeOur hosting

Host SerializationIsBad servers

One click and SerializationIsBad is installed with the right loader, on hardware built for it.

  • 1.20.4
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version SerializationIsBad declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.20.4Forge17+declared7 Dec 2023
1.20.3Forge17+declared4 Dec 2023
1.20.2Forge17+declared20 Sept 2023
1.20.1Forge17+declared12 Jun 2023
1.20Forge17+declared2 Jun 2023
1.19.4Forge17+declared14 Mar 2023
1.19.3Forge17+declared7 Dec 2022
1.19.2Forge17+declared5 Aug 2022
1.19.1Forge17+declared27 Jul 2022
1.19Forge17+declared7 Jun 2022
1.18.2Forge17+declared28 Feb 2022
1.18.1Forge17+declared10 Dec 2021
1.18Forge17+declared30 Nov 2021
1.17.1Forge16+declared6 Jul 2021
1.17Forge16+declared8 Jun 2021
1.16.5Forge8+declared14 Jan 2021
1.16.4Forge8+declared29 Oct 2020
1.16.3Forge8+declared10 Sept 2020
1.16.2Forge8+declared11 Aug 2020
1.16.1Forge8+declared24 Jun 2020
1.16Forge8+declared23 Jun 2020
1.15.2Forge8+declared17 Jan 2020
1.15.1Forge8+declared16 Dec 2019
1.15Forge8+declared9 Dec 2019
1.14.4Forge8+declared19 Jul 2019
1.14.3Forge8+declared24 Jun 2019
1.14.2Forge8+declared27 May 2019
1.14.1Forge8+declared13 May 2019
1.14Forge8+declared23 Apr 2019
1.13.2Forge8+declared22 Oct 2018
1.13.1Forge8+declared22 Aug 2018
1.13Forge8+declared18 Jul 2018
1.12.2Forge8+declared18 Sept 2017
1.12.1Forge8+declared3 Aug 2017
1.12Forge8+declared2 Jun 2017
1.11.2Forge8+declared21 Dec 2016
1.11.1Forge8+declared20 Dec 2016
1.11Forge8+declared14 Nov 2016
1.10.2Forge8+declared23 Jun 2016
1.10.1Forge8+declared22 Jun 2016

28 older versions not shown.

Download

From SerializationIsBad’s own host. Nothing is re-hosted here.

1.5.2release16 Mar 2024

serializationisbad-1.5.2.jar · 0.5 MB · for 1.6.1, 1.6.2, 1.6.4, 1.7.2, 1.7.3 +63 more

Download latest
403917756539…
Older versions3
  • 1.529 Aug 20231.6.1, 1.6.2, 1.6.4, 1.7.2, 1.7.3 +60 more0.5 MB158.6k downloads28d0c78cc06b…Get
  • 1.410 Aug 20231.6.1, 1.6.2, 1.6.4, 1.7.2, 1.7.3 +60 more0.5 MB5.4k downloadsbe0c03873a56…Get
  • 1.330 Jul 20231.7.2, 1.7.3, 1.7.4, 1.7.5, 1.7.6 +57 more0.0 MB6.0k downloads302c0cef5446…Get

Frequently asked

Does SerializationIsBad work on Minecraft 1.20.4?

Yes. 1.20.4 is the newest Minecraft version SerializationIsBad declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does SerializationIsBad support?

Everything the author has declared, from 1.6.1 up to 1.20.4. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does SerializationIsBad support?

Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for SerializationIsBad?

On the newest Minecraft version it supports, Java 17 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is SerializationIsBad under?

MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install SerializationIsBad?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download SerializationIsBad safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Last checked 2 mo ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .