Vulnerability Details CVE-2026-32141
flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse() function uses a recursive revive() phase to resolve circular references in deserialized JSON. When given a crafted payload with deeply nested or self-referential $ indices, the recursion depth is unbounded, causing a stack overflow that crashes the Node.js process. This vulnerability is fixed in 3.4.0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 41.9%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-32141
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cpe:2.3:a:webreflection:flatted:0.1.0
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cpe:2.3:a:webreflection:flatted:0.2.0
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cpe:2.3:a:webreflection:flatted:0.2.1
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cpe:2.3:a:webreflection:flatted:0.2.2
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cpe:2.3:a:webreflection:flatted:0.2.3
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cpe:2.3:a:webreflection:flatted:1.0.0
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cpe:2.3:a:webreflection:flatted:1.0.1
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cpe:2.3:a:webreflection:flatted:1.0.2
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cpe:2.3:a:webreflection:flatted:1.0.3
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cpe:2.3:a:webreflection:flatted:2.0.0
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cpe:2.3:a:webreflection:flatted:2.0.1
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cpe:2.3:a:webreflection:flatted:2.0.2
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cpe:2.3:a:webreflection:flatted:3.0.0
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cpe:2.3:a:webreflection:flatted:3.0.1
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cpe:2.3:a:webreflection:flatted:3.0.2
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cpe:2.3:a:webreflection:flatted:3.0.3
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cpe:2.3:a:webreflection:flatted:3.0.4
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cpe:2.3:a:webreflection:flatted:3.0.5
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cpe:2.3:a:webreflection:flatted:3.1.0
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cpe:2.3:a:webreflection:flatted:3.1.1
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cpe:2.3:a:webreflection:flatted:3.2.0
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cpe:2.3:a:webreflection:flatted:3.2.1
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cpe:2.3:a:webreflection:flatted:3.2.10
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cpe:2.3:a:webreflection:flatted:3.2.11
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cpe:2.3:a:webreflection:flatted:3.2.12
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cpe:2.3:a:webreflection:flatted:3.2.13
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cpe:2.3:a:webreflection:flatted:3.2.2
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cpe:2.3:a:webreflection:flatted:3.2.3
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cpe:2.3:a:webreflection:flatted:3.2.4
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cpe:2.3:a:webreflection:flatted:3.2.5
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cpe:2.3:a:webreflection:flatted:3.2.6
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cpe:2.3:a:webreflection:flatted:3.2.7
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cpe:2.3:a:webreflection:flatted:3.2.8
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cpe:2.3:a:webreflection:flatted:3.2.9
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cpe:2.3:a:webreflection:flatted:3.3.0
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cpe:2.3:a:webreflection:flatted:3.3.1
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cpe:2.3:a:webreflection:flatted:3.3.2
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cpe:2.3:a:webreflection:flatted:3.3.3
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cpe:2.3:a:webreflection:flatted:3.3.4