Bug 2524603 (CVE-2026-47837)

Summary: CVE-2026-47837 org.springframework.cloud/spring-cloud-config-server: Spring Cloud Config Server: Denial of Service via unauthenticated monitor endpoint
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Spring Cloud Config Server. This vulnerability allows an unauthenticated remote attacker to send webhook requests to the /monitor endpoint without validation. This lack of authentication for a critical function could lead to a denial of service (DoS) condition, making the server unavailable to legitimate users.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2531072    
Bug Blocks:    

Description OSIDB Bzimport 2026-08-26 18:47:15 UTC
Missing Authentication for Critical Function vulnerability in Spring Spring Cloud Config allows Webhook requests to Spring Cloud Config Server's /monitor endpoint are not validated.

This issue affects Spring Cloud Config: from 5.0.0 through 5.0.4, from 4.3.0 through 4.3.4, from 4.0.0 through 4.2.8, and through 3.1.14.