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Malicious code in minecraftaccfinder (PyPI)

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • PyPI minecraftaccfinder

    Affected
    >= 0.1.0, <= 0.1.0>= 0.1.1, <= 0.1.1>= 0.1.2, <= 0.1.2>= 0.3.0, <= 0.3.0>= 0.3.1, <= 0.3.1>= 0.4.0, <= 0.4.0>= 2.0.0, <= 2.0.0>= 3.0.0, <= 3.0.0
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
not scored
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

minecraftaccfinder was published to PyPI on 2026-10-12 in six versions within 23 minutes (0.1.2 at 01:05 UTC, 2.0.0, 0.3.0, 0.3.1, 0.4.0, 3.0.0 at 01:28 UTC) with no description, author, README or project page. The package consists of one module, minecraftaccfinder/init.py (about 87 KB, 88 functions), installed as the console command `minecraftaccfinder`. When the command runs it reads the saved logins and session cookies of the browser profiles on the machine, collects the machine's public IP address and account identifiers, and posts the collected data to a chat-service webhook hard-coded in the module. Nothing in the package provides the functionality the name suggests. Versions 0.3.0, 0.3.1 and 3.0.0 were analyzed and carry the same module; 3.0.0 differs from 0.3.1 only in the webhook value. 0.1.2 and 2.0.0 have the same size and were published from the same account minutes apart but were not examined individually, and 0.4.0 is a 949-byte placeholder. The project has since…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from osv record MAL-2026-17809

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: mal-2026-17809

Advisory: Malicious code in minecraftaccfinder (PyPI)
IDs: mal-2026-17809
Record: https://patchnext.com/advisories/mal-2026-17809 (revision 1, source checked 30 Oct 2026, 06:40 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Unrated
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- PyPI minecraftaccfinder: affected >= 0.1.0, <= 0.1.0; >= 0.1.1, <= 0.1.1; >= 0.1.2, <= 0.1.2; >= 0.3.0, <= 0.3.0; >= 0.3.1, <= 0.3.1; >= 0.4.0, <= 0.4.0; >= 2.0.0, <= 2.0.0; >= 3.0.0, <= 3.0.0

## Suggested inspection (read-only)
- `python -m pip show minecraftaccfinder`: prints the installed version. Run with the environment that serves production active.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on minecraftaccfinder.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/MAL-2026-17809 (OSV record MAL-2026-17809 lists affected ranges: PyPI minecraftaccfinder >=0.1.0 =0.1.1 =0.1.2 =0.3.0 =0.3.1 =0.4.0 =2.0.0 =3.0.0 <=3.0.0)

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