High severity7.5NVD Advisory· Published Oct 19, 2026
CVE-2026-112309
CVE-2026-112309
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.
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Affected products
1Patches
Vulnerability mechanics
References
4- github.com/airjp73/rvf/blob/61172ff01bf1250893108e5c80f35b5ac0388ecb/packages/core/src/native-form-data/flatten.tsnvd
- github.com/airjp73/rvf/blob/61172ff01bf1250893108e5c80f35b5ac0388ecb/packages/set-get/src/setPath.tsnvd
- github.com/airjp73/rvf/commit/4a5e118667549ac41f065b4cfa80b995841c3811nvd
- www.vulncheck.com/advisories/rvf-set-get-before-7.0.4-prototype-pollution-via-setpath-inherited-methodsnvd
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