Vulnerability DatabaseCVE-2026-47837
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CVE-2026-47837
Published:August 26, 2026
Updated:October 15, 2026
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.
Affected Packages
org.springframework.cloud:spring-cloud-config-server (JAVA):
Affected version(s) >=3.0.0 <3.0.7-spring-cloud-config-3.0.12
Fix Suggestion:
Update to version 3.0.7-spring-cloud-config-3.0.12
org.springframework.cloud:spring-cloud-config-monitor (JAVA):
Affected version(s) >=4.3.0 <4.3.4-spring-cloud-config-4.3.6
Fix Suggestion:
Update to version 4.3.4-spring-cloud-config-4.3.6
org.springframework.cloud:spring-cloud-config-monitor (JAVA):
Affected version(s) >=4.1.0 <4.1.7-spring-cloud-config-4.1.12
Fix Suggestion:
Update to version 4.1.7-spring-cloud-config-4.1.12
org.springframework.cloud:spring-cloud-config-server (JAVA):
Affected version(s) >=4.1.0 <4.1.7-spring-cloud-config-4.1.12
Fix Suggestion:
Update to version 4.1.7-spring-cloud-config-4.1.12
org.springframework.cloud:spring-cloud-config-server (JAVA):
Affected version(s) >=4.2.0 <4.2.4-spring-cloud-config-4.2.9
Fix Suggestion:
Update to version 4.2.4-spring-cloud-config-4.2.9
org.springframework.cloud:spring-cloud-config-server (JAVA):
Affected version(s) >=3.1.0 <3.1.9-spring-cloud-config-3.1.18
Fix Suggestion:
Update to version 3.1.9-spring-cloud-config-3.1.18
org.springframework.cloud:spring-cloud-config-monitor (JAVA):
Affected version(s) >=3.0.0 <3.0.7-spring-cloud-config-3.0.12
Fix Suggestion:
Update to version 3.0.7-spring-cloud-config-3.0.12
org.springframework.cloud:spring-cloud-config-monitor (JAVA):
Affected version(s) >=5.0.0 <5.0.5
Fix Suggestion:
Update to version 5.0.5
org.springframework.cloud:spring-cloud-config-monitor (JAVA):
Affected version(s) >=4.2.0 <4.2.4-spring-cloud-config-4.2.9
Fix Suggestion:
Update to version 4.2.4-spring-cloud-config-4.2.9
org.springframework.cloud:spring-cloud-config-server (JAVA):
Affected version(s) >=4.3.0 <4.3.4-spring-cloud-config-4.3.6
Fix Suggestion:
Update to version 4.3.4-spring-cloud-config-4.3.6
org.springframework.cloud:spring-cloud-config-monitor (JAVA):
Affected version(s) >=3.1.0 <3.1.9-spring-cloud-config-3.1.18
Fix Suggestion:
Update to version 3.1.9-spring-cloud-config-3.1.18
Related Resources (3)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47837.json
https://nvd.nist.gov/vuln/detail/CVE-2026-47837
https://spring.io/security/cve-2026-47837
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CVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
HIGH
CVSS v3
Base Score:
6.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Missing Authentication for Critical Function
CWE-306
EPSS
Base Score:
0.55