Nameko · Nameko · CVE-2021-41078
**Name of the Vulnerable Software and Affected Versions**
Nameko versions prior to 2.14.0
Nameko versions v3.0.0rc0 through v3.0.0rc9
**Description**
The issue allows for arbitrary code execution when deserializing the config file. This can be achieved by tricking Nameko into deserializing a malicious YAML config file. For example, a malicious.yaml file can contain code that executes system commands, such as ` import ('os').system('cat /etc/passwd')`. This can lead to the execution of arbitrary system commands.
**Recommendations**
For versions prior to 2.14.0, update to version 2.14.0 or later to resolve the issue.
For versions v3.0.0rc0 through v3.0.0rc9, update to v3.0.0rc10 or later to resolve the issue.
As a temporary workaround, consider only using config files that you trust to avoid exploitation.