Vulnerability Details CVE-2026-67213
nanoid (Nano ID) before 5.1.6 contains an infinite loop in the customAlphabet and customRandom functions. When these functions are configured with a size of 0, the internal generation loop never satisfies its exit condition and spins indefinitely, hanging the calling thread. An application that passes an unvalidated, attacker-controlled size of 0 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
References
Products affected by CVE-2026-67213
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cpe:2.3:a:nanoid_project:nanoid:3.0.0
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cpe:2.3:a:nanoid_project:nanoid:3.0.1
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cpe:2.3:a:nanoid_project:nanoid:3.0.2
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cpe:2.3:a:nanoid_project:nanoid:3.1.0
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cpe:2.3:a:nanoid_project:nanoid:3.1.1
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cpe:2.3:a:nanoid_project:nanoid:3.1.10
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cpe:2.3:a:nanoid_project:nanoid:3.1.11
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cpe:2.3:a:nanoid_project:nanoid:3.1.12
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cpe:2.3:a:nanoid_project:nanoid:3.1.13
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cpe:2.3:a:nanoid_project:nanoid:3.1.14
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cpe:2.3:a:nanoid_project:nanoid:3.1.15
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cpe:2.3:a:nanoid_project:nanoid:3.1.16
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cpe:2.3:a:nanoid_project:nanoid:3.1.17
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cpe:2.3:a:nanoid_project:nanoid:3.1.18
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cpe:2.3:a:nanoid_project:nanoid:3.1.19
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cpe:2.3:a:nanoid_project:nanoid:3.1.2
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cpe:2.3:a:nanoid_project:nanoid:3.1.20
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cpe:2.3:a:nanoid_project:nanoid:3.1.21
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cpe:2.3:a:nanoid_project:nanoid:3.1.22
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cpe:2.3:a:nanoid_project:nanoid:3.1.23
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cpe:2.3:a:nanoid_project:nanoid:3.1.24
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cpe:2.3:a:nanoid_project:nanoid:3.1.25
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cpe:2.3:a:nanoid_project:nanoid:3.1.26
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cpe:2.3:a:nanoid_project:nanoid:3.1.27
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cpe:2.3:a:nanoid_project:nanoid:3.1.28
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cpe:2.3:a:nanoid_project:nanoid:3.1.29
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cpe:2.3:a:nanoid_project:nanoid:3.1.30
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cpe:2.3:a:nanoid_project:nanoid:3.1.31
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cpe:2.3:a:nanoid_project:nanoid:3.1.32
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cpe:2.3:a:nanoid_project:nanoid:3.1.4
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cpe:2.3:a:nanoid_project:nanoid:3.1.5
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cpe:2.3:a:nanoid_project:nanoid:3.1.6
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cpe:2.3:a:nanoid_project:nanoid:3.1.7
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cpe:2.3:a:nanoid_project:nanoid:3.1.8
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cpe:2.3:a:nanoid_project:nanoid:3.1.9
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cpe:2.3:a:nanoid_project:nanoid:3.2.0
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cpe:2.3:a:nanoid_project:nanoid:3.3.0
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cpe:2.3:a:nanoid_project:nanoid:3.3.1
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cpe:2.3:a:nanoid_project:nanoid:3.3.10
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cpe:2.3:a:nanoid_project:nanoid:3.3.11
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cpe:2.3:a:nanoid_project:nanoid:3.3.12
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cpe:2.3:a:nanoid_project:nanoid:3.3.13
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cpe:2.3:a:nanoid_project:nanoid:3.3.14
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cpe:2.3:a:nanoid_project:nanoid:3.3.15
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cpe:2.3:a:nanoid_project:nanoid:3.3.16
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cpe:2.3:a:nanoid_project:nanoid:3.3.2
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cpe:2.3:a:nanoid_project:nanoid:3.3.3
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cpe:2.3:a:nanoid_project:nanoid:3.3.4
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cpe:2.3:a:nanoid_project:nanoid:3.3.5
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cpe:2.3:a:nanoid_project:nanoid:3.3.6
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cpe:2.3:a:nanoid_project:nanoid:3.3.7
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cpe:2.3:a:nanoid_project:nanoid:3.3.8
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cpe:2.3:a:nanoid_project:nanoid:3.3.9