Kotlin SpEL injection: request data evaluated as code
Rule ID: vetkit.kotlin.code-injection.expression-language
Request data is evaluated as a SpEL expression, which allows remote code execution.
Last updated:
Suite: Security
kotlin
Request data is evaluated as a SpEL expression, which allows remote code execution.
Category: SECURITY · Engine rule severity: ERROR
How to fix it
Never evaluate user-supplied expressions. Use fixed expressions with user values passed as variables, and a SimpleEvaluationContext instead of StandardEvaluationContext.
References
Source: packages/engine/rules/sast/kotlin.yml.
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Generated from shipped rule definitions at build time. Matching is a review signal, not proof of exploitability. “generic” denotes text matching, not complete language or framework coverage. Runtime configuration and available tools affect whether a rule runs.