What’s Vulnerable › Vulnerabilities

CVE-2020-36604: hoek subject to prototype pollution via the clone function.

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-09-23 · updated 2026-06-17
• Weakness: CWE-1321

Description

hoek before 8.5.1 and 9.x before 9.0.3 allows prototype poisoning in the clone function.

Affected products

• hapi hoek node module: before 8.5.1; from 9.0 before 9.0.3 — fixed in 8.5.1, 9.0.3
• Npm @Hapi/Hoek: before 8.5.1; from 9.0.0 before 9.0.3 — fixed in 8.5.1, 9.0.3
• Npm Hoek: through 6.1.3

How to fix

Upgrade to a fixed version: hapi hoek node module 8.5.1, 9.0.3; Npm @Hapi/Hoek 8.5.1, 9.0.3. Check the vendor advisory for mitigations.

References

• https://github.com/hapijs/hoek/issues/352
• https://security.snyk.io/vuln/SNYK-JS-HAPIHOEK-548452%29
• https://github.com/hapijs/hoek/issues/352
• https://security.snyk.io/vuln/SNYK-JS-HAPIHOEK-548452%29

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