Logging Exposure in PCL Community Edition for Minecraft Launcher
CVE-2025-54120

9.3CRITICAL

Key Information:

Vendor

Pcl-community

Status
Pcl2-ce
Vendor
CVE Published:
23 July 2025

What is CVE-2025-54120?

In the PCL Community Edition of the Minecraft launcher, specifically in versions 2.12.0-beta.5 through 2.12.0-beta.9, user login credentials were inadvertently written to a local log file during the third-party login process. While the log file is not uploaded or shared automatically, users who manually transmit this log file may unintentionally expose their sensitive information. This risk has been addressed in version 2.12.0-beta.10, which eliminates the logging of sensitive login data.

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Affected Version(s)

PCL2-CE >= 2.12.0-beta.5, < 2.12.0-beta.10

References

https://github.com/PCL-Community/PCL2-CE/security/advisor...
x_refsource_CONFIRM
https://github.com/PCL-Community/PCL2-CE/commit/b72eaaef0...
x_refsource_MISC

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

JSON
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