CVE-2026-40989 Self Routing guard bypassed via function composition

Under infinite recursion in the routing layer, request-handling can cause OOM error. Affected Spring Products and Versions: Spring Cloud Function 3.2.x: versions prior to 3.2.16 Spring Cloud Function 4.1.x: versions prior to 4.1.10 Spring Cloud Function 4.2.x: versions prior to 4.2.6 Spring Cloud...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the SimpleFunctionRegistry composition. An attacker can exhaust memory or trigger unbounded recursive function composition by supplying crafted function definitions that...

Spring Cloud Function Framework vulnerable to Denial of Service

In Spring Cloud Function framework, versions 4.1.x prior to 4.1.2, 4.0.x prior to 4.0.8 an application is vulnerable to a DOS attack when attempting to compose functions with non-existing functions. Specifically, an application is vulnerable when all of the following are true: User is using Sprin...