---
id: CVE-2026-73411
title: Shescape is a simple shell escape library for JavaScript
summary: >-
  Shescape is a simple shell escape library for JavaScript. Prior to 2.1.14 and
  3.0.1, getEscapeFunction in src/internal/unix/dash.js fails to escape ~ after
  : or = when applications use the escape or escapeAll APIs on Unix with shell
  set …
severity: none
cwe:
  - CWE-116
  - CWE-200
published: '2026-08-12'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T21:02:22.660'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-73411'
references:
  - url: >-
      https://github.com/ericcornelissen/shescape/commit/43d70b59d09bbe5c3fd02ef08b3a123e977ed9de
    label: security-advisories@github.com
  - url: >-
      https://github.com/ericcornelissen/shescape/commit/b4b34c394e7f9da2775bb75381066b9a228c425f
    label: security-advisories@github.com
  - url: 'https://github.com/ericcornelissen/shescape/pull/2649'
    label: security-advisories@github.com
  - url: 'https://github.com/ericcornelissen/shescape/pull/2651'
    label: security-advisories@github.com
  - url: 'https://github.com/ericcornelissen/shescape/releases/tag/v2.1.14'
    label: security-advisories@github.com
  - url: 'https://github.com/ericcornelissen/shescape/releases/tag/v3.0.1'
    label: security-advisories@github.com
  - url: >-
      https://github.com/ericcornelissen/shescape/security/advisories/GHSA-q53c-4prm-w95q
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.0059
epssPercentile: 0.45925
ingestedAt: '2026-09-09T21:22:45.531Z'
---

## Overview

Shescape is a simple shell escape library for JavaScript. Prior to 2.1.14 and 3.0.1, getEscapeFunction in src/internal/unix/dash.js fails to escape ~ after : or = when applications use the escape or escapeAll APIs on Unix with shell set to dash, or with shell set to true when Dash is the default, and interpolate the result into an assignment prefixed to a command. An attacker who controls the input can supply a value such as :~ to disclose the home-directory path and may change the location on which the command operates. This issue is fixed in versions 2.1.14 and 3.0.1.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.