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Response snapshot Nov 2, 2026, 23:56 UTC

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VulnerabilityCVE-2023-32558

The use of the deprecated API `process.binding()` can bypass the permission model through path traversal.

The use of the deprecated API process.binding() can bypass the permission model through path traversal. This vulnerability affects all users using the experimental permission model in Node.js 20.x.

At a glance

Exploited
Not known
Severity
7.5 High (CVSS 3.1)
Chance of exploitation
1.7% in the next 30 days
Sources
1 source

What to do

Check the vendor advisory for affected versions and fixes.

Read NVD CVE-2023-32558 (opens a new tab)

What happened

The use of the deprecated API process.binding() can bypass the permission model through path traversal.

This vulnerability affects all users using the experimental permission model in Node.js 20.x.

Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.

Scores and how they were measured

CVSS base severity

7.5

Version 3.1As of

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Measurement source (opens a new tab)

How bad it is if exploited. Not a prediction of exploitation or proof you are exposed.

EPSS probability

1.7%

Scored Percentile 77.8%

Model and measurement source (opens a new tab)

A model's estimate of exploitation in the next 30 days, not certainty or your own risk.

Related technology

Sources

  1. Primary source

    NVD CVE-2023-32558 (opens a new tab)

    NVD record: description, CVSS (the CNA score is preferred), affected products, and publication date. Not evidence of exploitation.

    Published Checked

  2. Primary source

    NVD CVE API 2.0 (opens a new tab)

    The NVD API page that supplied this CVE record.

    Published Date not suppliedChecked

  3. Primary source

    NVD CVE API 2.0 (opens a new tab)

    The NVD API page that supplied this CVE record.

    Published Date not suppliedChecked

  4. Primary source

    FIRST measured EPSS score (opens a new tab)

    Measured EPSS probability and percentile for CVE-2023-32558, scored 2026-11-02. This is a model estimate, not proof of exposure.

    Published Checked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, November 2). The use of the deprecated API `process.binding()` can bypass the permission model through path traversal. (CVE-2023-32558). https://kevwire.com/record/CVE-2023-32558

MLA

"The use of the deprecated API `process.binding()` can bypass the permission model through path traversal. (CVE-2023-32558)." KEVWire, 2 Nov. 2026, kevwire.com/record/CVE-2023-32558.

Chicago

KEVWire. "The use of the deprecated API `process.binding()` can bypass the permission model through path traversal. (CVE-2023-32558)." Last modified November 2, 2026. https://kevwire.com/record/CVE-2023-32558.

Evidence summary (plain text)

The use of the deprecated API `process.binding()` can bypass the permission model through path traversal. (Sep 12, 2023).
The use of the deprecated API process.binding() can bypass the permission model through path traversal.

This vulnerability affects all users using the experimental permission model in Node.js 20.x.

Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.
CVSS 7.5 (version 3.1; evidence as of Nov 2, 2026; https://nvd.nist.gov/vuln/detail/CVE-2023-32558).
EPSS 1.7% for the following 30 days, scored Nov 2, 2026 (https://api.first.org/data/v1/epss?cve=CVE-2023-32558&date=2026-11-02).
Sources:
NVD CVE-2023-32558: https://nvd.nist.gov/vuln/detail/CVE-2023-32558
NVD CVE API 2.0: https://services.nvd.nist.gov/rest/json/cves/2.0?lastModStartDate=2026-11-02T22:20:58.510Z&lastModEndDate=2026-11-02T23:55:56.101Z&resultsPerPage=500&startIndex=0
NVD CVE API 2.0: https://services.nvd.nist.gov/rest/json/cves/2.0?lastModStartDate=2026-11-02T21:45:58.195Z&lastModEndDate=2026-11-02T23:20:55.960Z&resultsPerPage=500&startIndex=0
FIRST measured EPSS score: https://api.first.org/data/v1/epss?cve=CVE-2023-32558&date=2026-11-02
Record ID: CVE-2023-32558.
Record origin: Ingested record.
AI evidence: Not assessed.
Known exploitation: Not assessed.
Zero-day status: Not assessed. KEV membership alone does not establish zero-day status.
About this data

This record was ingested from a data source. Retrieved: Nov 2, 2026, 23:21 UTC. Ingestion is not an independent editorial investigation.

NVD status: Modified. Publication in the NVD is not evidence of exploitation.

A CISA KEV listing documents known exploitation, not necessarily a zero-day; absence from the catalog does not prove a vulnerability has never been exploited.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

Record JSON

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Record details

Record detail