CVE-2025-54120 PCL Community Edition exposes login credentials in logs
Attackers can obtain login credentials if users manually share local log files containing sensitive data from the Minecraft launcher.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-54120?
CVE-2025-54120 is a critical vulnerability in PCL-Community PCL2-CE, published on 23 Jul 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
PCL (Plain Craft Launcher) Community Edition is a Minecraft launcher. In PCL CE versions 2.12.0-beta.5 to 2.12.0-beta.9, the login credentials used during the third-party login process are accidentally recorded in the local log file. Although the log file is not automatically uploaded or shared, if the user manually sends the log file, there is a risk of leakage. This is fixed in version 2.12.0-beta.10.
Weakness: CWE-532
Which versions are affected by CVE-2025-54120?
How do I fix CVE-2025-54120?
No fix has been published for CVE-2025-54120 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-54120 being exploited?
There is no known exploitation of CVE-2025-54120 in the wild and no public exploit code.
Sources
Also known as GHSA-f3rx-h3cv-696g.