AIKIDO-2026-148507
nanoid is vulnerable to Denial of Service (DoS)
59
Medium Risk
This Affects:
nanoidTL;DR
nanoid React Native async customAlphabet can hang when given a non-positive size. The generator keeps requesting random bytes and never finishes building the ID. Apps that pass an unvalidated size into this helper can be denied service. The fix returns an empty string when size is 0 or less.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you call React Native async customAlphabet with a size of 0 or less.
Background info
nanoid is vulnerable to Denial of Service (DoS) in versions 3.1.9 - 3.3.17.
How to fix this
Upgrade the nanoid library to the patch version.
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SOC 2Compliant
ISO 27001Compliant