Auth bypass in Spring Cloud Config
CVE-2026-47837
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.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-47837?
- CVE-2026-47837 is a medium-severity vulnerability in Spring Cloud Config, classified under Missing Authentication for Critical Function. CVSS score: 6.8/10. Published 2026-08-26.
- How severe is CVE-2026-47837?
- Medium severity. CVSS v3 base score is 6.8 out of 10.