Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-67214

nanoid (Nano ID) before 5.1.16 contains an infinite loop in the customAlphabet and nanoid functions of its non-secure module (nanoid/non-secure). When these functions are given a negative size, the loop counter is decremented from a negative value and never reaches its termination condition, spinning indefinitely and hanging the calling thread. An application that passes an unvalidated, attacker-controlled negative size to these functions is exposed to a denial-of-service condition.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 24.7%
CVSS Severity
CVSS v3 Score 5.9
Products affected by CVE-2026-67214


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