CVE-2026-40989: fallo de gravedad media en Spring Cloud Function
Self Routing guard bypassed via function composition
Publicada el
Seguir esta CVE+ Monitorear Spring Cloud Function+ Monitorear org.springframework.cloud:spring-cloud-function-context
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 5.7epss 0.2%
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 Function 4.3.x: versions prior to 4.3.3
Spring Cloud Function 5.0.x: versions prior to 5.0.2
Older, unsupported versions are also affected.
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:H
Productos afectados
Spring · Spring Cloud FunctionCVEs relacionadas — Spring Cloud Function
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-59291LOWPotential arbitrary file read and SSRF vulnerability in Spring Cloud FunctionEPSS 0.2%CVE-2026-59301LOWPotential for logging sensitive data in Spring Cloud Function AzureEPSS 0.2%CVE-2026-59298LOWPotential for improper filtering of HTTP headers in Spring Cloud FunctionEPSS 0.2%CVE-2026-59300LOWPotential for logging sensitive data in Spring Cloud Function AWSEPSS 0.2%CVE-2026-59299LOWComposition lookup can potentially poison base function in Spring Cloud FunctionEPSS 0.2%CVE-2026-40990MEDIUMUnbounded cache for function definitionsEPSS 0.2%
Referencias
https://spring.io/security/cve-2026-40989