Spring Cloud Commons 5.0.x: Unrestricted /actuator/env Property Injection
CVE-2026-59284 Published on August 27, 2026
Spring Cloud Commons no allow list for writable env actuator endpoint
There is no allow list for property keys when Spring Cloud Commons writable /actuator/env is enabled.
Spring Cloud Commons 5.0.0 - 5.0.2
Spring Cloud Commons 4.3.0 - 4.3.3
Spring Cloud Commons 4.0.0 - 4.2.6
Spring Cloud Commons 3.1.10 and earlier
Vulnerability Analysis
CVE-2026-59284 is exploitable with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and a small impact on availability.
Weakness Type
What is a Mass Assignment Vulnerability?
The software receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified.
CVE-2026-59284 has been classified to as a Mass Assignment vulnerability or weakness.
Products Associated with CVE-2026-59284
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Affected Versions
Spring Cloud Commons:- Version 5.0.0, <= 5.0.2 is affected.
- Version 4.3.0, <= 4.3.3 is affected.
- Version 4.0.0, <= 4.2.6 is affected.
- Before and including 3.1.10 is affected.