Improper access control in Spring Cloud Commons - CVE-2026-59284
Published: August 31, 2026
Vulnerability identifier: #VU146421
CSH Severity: Low
CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-59284
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to modify application environment properties.
The vulnerability exists due to improper access control in the writable /actuator/env endpoint when handling property update requests. A remote privileged user can send crafted requests to modify application environment properties.
The issue is exposed only when the writable /actuator/env endpoint is enabled.
Affected software
Spring Cloud Commons
How to mitigate CVE-2026-59284
Install security update from vendor's website.
Spring Cloud Commons - addressed in versions 3.1.11, 4.2.7, 4.3.4, 5.0.3