Allocation of Resources Without Limits or Throttling Affecting org.springframework.cloud:spring-cloud-function-context package, versions [,4.3.3)[5.0.0-M1, 5.0.2)
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- published10 May 2026
- disclosed8 May 2026
- creditUnknown
Introduced: 8 May 2026
NewCVE-2026-40990 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade org.springframework.cloud:spring-cloud-function-context to version 4.3.3, 5.0.2 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the SimpleFunctionRegistry composition and function wrapper cache in SimpleFunctionRegistry.java. An attacker can exhaust memory by supplying many distinct composed function lookups.
Note: Fixes for earlier branches including 4.2.x, and 3.2.x are available under enterprise support.