CVE-2017-1000056

CVE-2017-1000056 is a critical privilege escalation vulnerability affecting Kubernetes versions 1.5.0 through 1.5.4. This flaw in the PodSecurityPolicy admission plugin allows an attacker to leverage any existing PodSecurityPolicy object. With a CVSS score of 9.8, it presents a severe risk with high impact on confidentiality, integrity, and availability, requiring no user interaction or complex attack vectors. While there is no evidence of active exploitation, nor publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion.