Mikhail Polivakha

Mikhail Polivakha is the founder and CEO of Axelix Labs and a software engineer focused on Java and Spring Boot. He contributes to open-source projects, including Spring Data and Spring Boot, and speaks at Spring I/O and Devoxx.

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Coming soon

12 November 2026

Mikhail Polivakha

JavaSpringSecurity

Spring ApplicationContext Hierarchy and a High CVE in Axelix

How Spring's ApplicationContext hierarchy caused a JWT bypass in Axelix when Actuator ran on a separate management port.

2 articles

1,590 views

Mikhail Polivakha Nov 4, 2026 787 views

Spring Boot's Hidden Secret for Configuration: EnvironmentPostProcessor

How to ship default configuration from a shared Spring Boot starter so services can still override it.

Java Spring

Mikhail Polivakha Oct 27, 2026 803 views

New Java Features Are Not Just for Interviews. Two Real-World Use Cases from Axelix

See how Axelix uses Java ScopedValue to propagate security context and sealed interfaces to protect domain invariants in real-world …

Java Sealed Classes

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