What’s Vulnerable › Vulnerabilities

CVE-2019-10794

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-18 · updated 2026-06-17
• Weakness: CWE-74

Description

All versions of component-flatten are vulnerable to Prototype Pollution. The a function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.

Affected products

• Snyk component-flatten: all versions

References

• https://snyk.io/vuln/SNYK-JS-COMPONENTFLATTEN-548907
• https://snyk.io/vuln/SNYK-JS-COMPONENTFLATTEN-548907

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