Ganeti versions greater than and equal to 1.2.9, 2.0.5, and 2.1.0-rc2 suffer from an arbitrary code execution vulnerability.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/84005/oCERT-2009-019.txt
Source: https://packetstormsecurity.com/files/84005/Open-Source-CERT-Security-Advisory-2009.19.html