AIKIDO-2025-10117
@fastify/cors is vulnerable to Insecure Default Variable Initialization
15
Low Risk
This Affects:
@fastify/corsTL;DR
Affected versions of this package do not enforce the most secure default CORS safelist methods, potentially allowing unintended HTTP methods in cross-origin requests.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
@fastify/cors is vulnerable to Insecure Default Variable Initialization in versions 7.0.0 - 10.1.0.
How to fix this
Upgrade the @fastify/cors library to the latest patched version or ensure that the methods parameter in fastify.register(...) is configured securely. Note that this patch may introduce breaking changes.
Are You Affected?
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SOC 2Compliant
ISO 27001CompliantISO 42001Compliant
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