Vulnerabilities in pkg:npm/@ranfdev/deepobj

PACKAGE
Advisory Identifier: GHSA-x7q7-fchv-8h2j
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Advisory Summary

CVE-2026-46509 is a HIGH (CVSS 8.2) @ranfdev/deepobj has a prototype pollution vulnerability (CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')) affecting @ranfdev/deepobj libraries in the npm ecosystem. The issue involves @ranfdev/deepobj has a prototype pollution vulnerability. Remediation is available by upgrading affected packages to version 1.0.3.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:npm/@ranfdev/deepobj

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:npm/@ranfdev/deepobj. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-x7q7-fchv-8h2j CVE-2026-46509 HIGH @ranfdev/deepobj has a Prototype Pollution vulnerability

CVE-2026-46509 at a Glance

CVE Identifier CVE-2026-46509
GHSA Identifier GHSA-x7q7-fchv-8h2j
Severity HIGH
CVSS v3.1 Base Score 8.2
CWE Classification CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Affected Product @ranfdev/deepobj
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 8.2

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity High (I:H)
Availability Low (A:L)

How to Fix CVE-2026-46509

To remediate this vulnerability, upgrade all affected @ranfdev/deepobj dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

@ranfdev/deepobj fixed: 1.0.3 
npm install @ranfdev/deepobj@1.0.3
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls @ranfdev/deepobj

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2026-46509, inspect your project dependencies using npm:

npm ls @ranfdev/deepobj

Analyze the terminal output to locate any version of @ranfdev/deepobj in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.0.3), your application is affected.

Note: The npm ls @ranfdev/deepobj command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'), where the product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. In @ranfdev/deepobj, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact Prototype pollution is possible when property paths contain `__proto__`/`constructor`/`prototype`. The property path must not be exposed as user input.

CVE-2026-46509 Affected @ranfdev/deepobj Versions

1 component(s)
Fixed Versions:
1.0.3
Product / Package Ecosystem Affected Versions Fixed Version
@ranfdev/deepobj
npm/@ranfdev/deepobj
npm
< 1.0.3
1.0.3

References

GitHub Advisory / Wiki ADVISORY
https://github.com/ranfdev/deepobj/security/advisories/GHSA-x7q7-fchv-8h2j
NVD — CVE-2026-46509 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-46509
@ranfdev/deepobj Source Repository REPOSITORY
https://github.com/ranfdev/deepobj

Frequently Asked Questions

What is CVE-2026-46509?
CVE-2026-46509 is a security vulnerability in @ranfdev/deepobj involving @ranfdev/deepobj has a Prototype Pollution vulnerability under CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution').
Which @ranfdev/deepobj versions are affected?
Affected versions include releases prior to 1.0.3 across affected packages: @ranfdev/deepobj.
What version fixes CVE-2026-46509?
Upgrading to 1.0.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is @ranfdev/deepobj affected?
Yes, @ranfdev/deepobj is affected in releases prior to 1.0.3. Upgrade your dependency to 1.0.3 or later.
What is the CVSS score of CVE-2026-46509?
CVE-2026-46509 has a CVSS v3.1 base score of 8.2 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L.
What CWE is associated with CVE-2026-46509?
CVE-2026-46509 is classified under CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.).
How can I check npm dependencies for CVE-2026-46509?
Run the dependency tree command: 'npm ls @ranfdev/deepobj'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-x7q7-fchv-8h2j",
  "modified" : "2026-06-09T10:23:26Z",
  "published" : "2026-05-14T20:55:24Z",
  "aliases" : [ "CVE-2026-46509" ],
  "summary" : "@ranfdev/deepobj has a Prototype Pollution vulnerability",
  "details" : "### Impact\nPrototype pollution is possible when property paths contain `__proto__`/`constructor`/`prototype`. The property path must not be exposed as user input.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "@ranfdev/deepobj"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.0.3"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 1.0.2"
    }
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/ranfdev/deepobj/security/advisories/GHSA-x7q7-fchv-8h2j"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-46509"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/ranfdev/deepobj"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-1321" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-05-14T20:55:24Z",
    "nvd_published_at" : "2026-05-28T19:16:39Z"
  }
}