Vulnerability · Published Aug 26, 2026 · Assigned by vmware
CVE-2026-47837Spring Cloud Config Server Monitor Endpoint Does Not Validate Webhook Requests
Medium 6.8
In plain English
A medium-severity missing authentication in Spring Cloud Config from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.6%top 53.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Spring | Spring Cloud Config | 5.0.0 – through 5.0.44.3.0 – through 4.3.44.0.0 – through 4.2.80 – through 3.1.14 |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H