AIKIDO-2026-10661
spring-boot-devtools is vulnerable to Observable Timing Discrepancy
75
High Risk
This Affects:
spring-boot-devtoolsTL;DR
Affected versions of this package are vulnerable to observable timing discrepancies during DevTools remote secret comparison, which may allow an attacker on the same network to infer the secret through repeated measurements. In extreme cases, successful secret recovery could allow unauthorized class uploads and remote code execution in the target application.
Who does this affect?
You are affected if using a vulnerable version.
Background info
spring-boot-devtools is vulnerable to Observable Timing Discrepancy in versions 2.7.0 - 3.5.13 and 4.0.0 - 4.0.5.
How to fix this
Upgrade the org.springframework.boot:spring-boot-devtools library to the patch version.
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