Improper access control in Spring Cloud Config - CVE-2026-40981

 

Improper access control in Spring Cloud Config - CVE-2026-40981

Published: May 7, 2026


Vulnerability identifier: #VU130472
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-40981
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Pivotal
Affected software:
Spring Cloud Config

Detailed vulnerability description

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to improper access control in the Spring Cloud Config server Google Secrets Manager backend when handling crafted client requests. A remote attacker can send a specially crafted request to disclose sensitive information.

The issue can expose secrets from unintended GCP projects that the config server is able to access.


How to mitigate CVE-2026-40981

Install security update from vendor's website.

Sources