AIKIDO-2026-11173
spring-data-rest-core is vulnerable to SpEL Expression Injection
81
High Risk
This Affects:
spring-data-rest-coreTL;DR
When a persistent entity exposes a Map-typed property, the JSON Pointer path segment used as the map key is embedded directly into a SpEL expression without sanitization or validation. An attacker who can issue PATCH requests against an affected endpoint can craft a map-key segment that breaks out of the intended indexer literal and evaluates an arbitrary SpEL sub-expression within the context of the aggregate root.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
spring-data-rest-core is vulnerable to SpEL Expression Injection in versions 0.0.1 - 4.5.11 and 5.0.0 - 5.0.5.
How to fix this
Upgrade the org.springframework.data:spring-data-rest-core library to the patch version.
Are You Affected?
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