What is CVE-2026-46509?

CVE-2026-46509 is a high-severity vulnerability in Ranfdev Deepobj, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 8.2/10. Published 2026-05-28.

How severe is CVE-2026-46509?

High severity. CVSS v3 base score is 8.2 out of 10.

Prototype Pollution in Ranfdev Deepobj

CVE-2026-46509

deepobj provides get, set, delete deep objects in javascript. Prior to 1.0.3, prototype pollution is possible when property paths contain __proto__/constructor/prototype. The property path must not be exposed as user input. This vulnerabil…

Vulnerability class: Prototype Pollution

EPSS: 0.001 (17.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L.

Affected products

Ranfdev Deepobj — versions < 1.0.3

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-46509?: CVE-2026-46509 is a high-severity vulnerability in Ranfdev Deepobj, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 8.2/10. Published 2026-05-28.
How severe is CVE-2026-46509?: High severity. CVSS v3 base score is 8.2 out of 10.