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Underscore

1 CVEs product

Monthly

CVE-2026-27601 npm HIGH POC PATCH This Week

Unbounded recursion in Underscore.js versions before 1.13.8 enables denial of service attacks when the _.flatten or _.isEqual functions process deeply nested untrusted data structures. An attacker can trigger stack overflow conditions by supplying specially crafted recursive input, causing affected applications to crash. Public exploit code exists for this vulnerability, and patches are available.

Denial Of Service Underscore
NVD GitHub VulDB
CVSS 4.0
8.2
EPSS
0.0%
EPSS 0% CVSS 8.2
HIGH POC PATCH This Week

Unbounded recursion in Underscore.js versions before 1.13.8 enables denial of service attacks when the _.flatten or _.isEqual functions process deeply nested untrusted data structures. An attacker can trigger stack overflow conditions by supplying specially crafted recursive input, causing affected applications to crash. Public exploit code exists for this vulnerability, and patches are available.

Denial Of Service Underscore
NVD GitHub VulDB

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