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Threatist priority CRITICAL 0 HIGH 1 MEDIUM 0 LOW 1

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 0 Partial 2 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 1 Privilege escalation 0 Security bypass 0 Information disclosure 0 Tampering 0 Denial of service 1 Spoofing 0 Cross-site scripting 0 SQL injection 0

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Requirements No authentication 1 No user interaction 2

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Weakness (CWE) CWE-674 Uncontrolled Recursion 1 CWE-770 Allocation of Resources Without Limits or Throttling 1 CWE-94 Improper Control of Generation of Code 1

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Vendor: Underscorejs × Component: Underscore × Clear all filters

TI-2026-21987 CVE-2026-27601 · GHSA-qpx9-hpmf-5gmw

Underscore.js has unlimited recursion in _.flatten and _.isEqual, potential for DoS attack

Priority LOW 38

Underscore.js is a utility-belt library for JavaScript.

CVSS 4.0HIGH 8.2· Network · No auth · No interaction · EPSS 0.01063 · Published 2026-03-03 · Partial fix · 1.13.8 CWE-770

TI-2021-06054 CVE-2021-23358 · GHSA-cf4h-3jhx-xvhq

Arbitrary code injection in underscore

Priority HIGH 67

The package underscore from 1.13.0-0 and before 1.13.0-2, from 1.3.2 and before 1.12.1 are vulnerable to Arbitrary Code Injection via the template function, particularly when a variable property is passed as an argument…

CVSS 3.1HIGH 7.2· Network · High privileges · No interaction · EPSS 0.042 · Published 2021-03-29 · Partial fix · 1.13.0-2, 1.12.1 CWE-94

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