What’s Vulnerable › Vulnerabilities

CVE-2026-112309: @rvf/set-get before 7.0.4 Prototype Pollution via setPath Inherited Methods

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-19 · updated 2026-10-22
• Weakness: CWE-1321

Description

@rvf/set-get before 7.0.4 contains a prototype pollution vulnerability in setPath that allows unauthenticated attackers to overwrite properties of shared built-in functions via inherited Object.prototype methods. Attackers can submit a form field named hasOwnProperty.call through @rvf/core form parsing to replace the shared function property, causing process-wide denial of service until restart.

Affected products

• airjp73 @rvf/set-get: before 7.0.4 — fixed in 7.0.4

How to fix

Upgrade to a fixed version: airjp73 @rvf/set-get 7.0.4. Check the vendor advisory for mitigations.

References

• https://github.com/airjp73/rvf/blob/61172ff01bf1250893108e5c80f35b5ac0388ecb/packages/core/src/native-form-data/flatten.ts
• https://github.com/airjp73/rvf/blob/61172ff01bf1250893108e5c80f35b5ac0388ecb/packages/set-get/src/setPath.ts
• https://github.com/airjp73/rvf/commit/4a5e118667549ac41f065b4cfa80b995841c3811
• https://www.vulncheck.com/advisories/rvf-set-get-before-7.0.4-prototype-pollution-via-setpath-inherited-methods

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