A set of high-profile vulnerabilities have been identified affecting the popular Java Spring Framework and related software components - generally being referred to as Spring4Shell.
Four CVEs have been released so far and are being actively updated as new information emerges. These vulnerabilities can result, in the worst case, in full remote code execution (RCE) compromise:
CVE-2022-22947 - [official VMware post]
CVE-2022-22950 - [official VMware post]
CVE-2022-22963 - [official Spring project post]
CVE-2022-22965 - [official Spring project post]
Customers using Java Spring and related software components, such as the Spring Cloud Gateway, should immediately review their software and update to the latest versions by following the official Spring project guidance.