Atlassian fixed a critical flaw in Bitbucket Server and Data Center, tracked as CVE-2022-36804 (CVSS score 9.9), that could be explored to execute malicious code on vulnerable installs
The flaw is a command injection vulnerability that can be exploited via specially crafted HTTP requests.
“This advisory discloses a critical severity security vulnerability which was introduced in version 7.0.0 of Bitbucket Server and Data Center.” reads the advisory. “There is a command injection vulnerability in multiple API endpoints of Bitbucket Server and Data Center. An attacker with access to a public repository or with read permissions to a private Bitbucket repository can execute arbitrary code by sending a malicious HTTP request.”