Prototype Pollution in Airjp73 @Rvf/set-Get
CVE-2026-112309
@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.
Vulnerability class: Prototype Pollution
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/airjp73/rvf/commit/4a5e118667549ac41f065b4cfa80b995841c3811 (patch)
- github.com/airjp73/rvf/blob/61172ff01bf1250893108e5c80f35b5ac0388ecb/packages/s… (technical-description)
- github.com/airjp73/rvf/blob/61172ff01bf1250893108e5c80f35b5ac0388ecb/packages/c… (technical-description)
- www.vulncheck.com/advisories/rvf-set-get-before-7.0.4-prototype-pollution-via-s… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-112309?
- CVE-2026-112309 is a high-severity vulnerability in Airjp73 @Rvf/set-Get, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.5/10. Published 2026-10-19.
- How severe is CVE-2026-112309?
- High severity. CVSS v3 base score is 7.5 out of 10.