CVE-2026-73411

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, a...

CVE-2026-73414

Shescape is a simple shell escape library for JavaScript. Prior to 2.1.14 and 3.0.1, getEscapeFunction in src/internal/win/cmd.js does not escape and when applications use the escape or escapeAll APIs on Windows with shell set to cmd.exe, or with shell set to true when CMD is the default. An...

CVE-2026-73414

Shescape (JavaScript library) contains a vulnerability in getEscapeFunction (src/internal/win/cmd.js) where it fails to escape '(' and ')' when using escape/escapeAll on Windows with CMD or with shell: true when CMD is default. An attacker-controlled argument can break out of a parenthesized CMD ...

CVE-2026-73413

Shescape (JavaScript library) contains a quadratic-time denial-of-service vulnerability in the flag-protection path. From versions 2.1.11 through 2.1.14 and 3.0.1, the flag-protection loop in compose.js repeatedly joins and slices flag fragments when flagProtection is enabled (default), causing p...

CVE-2026-73413

Shescape is a simple shell escape library for JavaScript. From 2.1.11 until 2.1.14 and 3.0.1, the flag-protection loop in compose in src/internal/compose.js repeatedly joins and slices flag fragments when flagProtection is enabled, which is the default, making processing quadratic in input size...

CVE-2026-73412

Shescape (JavaScript) prior to versions 2.1.14 and 3.0.1 is vulnerable on Unix when the shell is Zsh or the default shell is Zsh, affecting the escape and escapeAll functions. The issue is associated with Zsh options EXTENDED_GLOB and MAGIC_SUBST, enabling home-directory expansion or extended glo...

CVE-2026-73412

Shescape is a simple shell escape library for JavaScript. Prior to 2.1.14 and 3.0.1, this impacts users of Shescape on Unix systems that explicitly configure shell to Zsh, or true when the default shell is Zsh, using the escape and escapeAll. The Zsh options EXTENDEDGLOB and MAGICEQUALSUBST...

CVE-2026-73411

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, a...

CVE-2026-73411

Vulnerability summary (CVE-2026-73411) : The Shescape JavaScript library is affected by a flaw in getEscapeFunction (src/internal/unix/dash.js) prior to versions 2.1.14 and 3.0.1. When using escape or escapeAll APIs on Unix with shell set to dash (or shell=true when Dash is default), the code fai...

CVE-2026-73411 Shescape: Home-directory disclosure in assignment context on Unix with Dash

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, a...

Shescape: Quadratic-time denial of service in the flag-protection

Impact This impacts users of Shescape that have flag protection enabled, which is on by default, regardless of the API being used. An attacker can cause a runtime quadratic in the input size, causing denial of service for large inputs. javascript import Shescape from "shescape"; // 1. Prerequisit...

GHSA-GM3R-Q2WP-HW87 Shescape: Quadratic-time denial of service in the flag-protection

Impact This impacts users of Shescape that have flag protection enabled, which is on by default, regardless of the API being used. An attacker can cause a runtime quadratic in the input size, causing denial of service for large inputs. javascript import Shescape from "shescape"; // 1. Prerequisit...

GHSA-Q53C-4PRM-W95Q Shescape: Home-directory disclosure in assignment context on Unix with Dash

Impact This impacts users of Shescape on Unix systems that explicitly configure shell to Dash, or true when the default shell is Dash, using the escape and escapeAll APIs in assignments prefixed to a command. An attacker may be able to obtain the location of the home directory and, depending on h...

Shescape: Home-directory disclosure in assignment context on Unix with Dash

Impact This impacts users of Shescape on Unix systems that explicitly configure shell to Dash, or true when the default shell is Dash, using the escape and escapeAll APIs in assignments prefixed to a command. An attacker may be able to obtain the location of the home directory and, depending on h...

Shescape: Path disclosure on Unix with Zsh

Impact This impacts users of Shescape on Unix systems that explicitly configure shell to Zsh, or true when the default shell is Zsh, using the escape and escapeAll. The Zsh options EXTENDEDGLOB and MAGICEQUALSUBST exacerbate the problem. In certain case, an attacker can leverage home directory...

GHSA-6V4M-FW66-8R4X Shescape: Path disclosure on Unix with Zsh

Impact This impacts users of Shescape on Unix systems that explicitly configure shell to Zsh, or true when the default shell is Zsh, using the escape and escapeAll. The Zsh options EXTENDEDGLOB and MAGICEQUALSUBST exacerbate the problem. In certain case, an attacker can leverage home directory...

CVE-2026-32094

Shescape is a simple shell escape library for JavaScript. Prior to 2.1.10, Shescapeescape does not escape square-bracket glob syntax for Bash, BusyBox sh, and Dash. Applications that interpolate the return value directly into a shell command string can cause an attacker-controlled value like...

@snyk/snyk-cocoapods-plugin (=2.6.0), snyk-docker-plugin (>=8.0.0 <=8.4.0) potentially affected by CVE-2026-32094 via shescape (=2.1.0)

shescape NPM version =2.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on shescape and may be impacted: - @snyk/snyk-cocoapods-plugin =2.6.0 - snyk-docker-plugin =8.0.0, =8.4.0 Source cves: CVE-2026-32094 Source advisory: SNYK:JS-SHESCAPE-15467452...

Improper Encoding or Escaping of Output

Overview shescape is a simple shell escape library Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output in the escape function. An attacker can cause unintended expansion of shell arguments by supplying input containing square brackets, which may result in...

CVE-2026-32094

Shescape is a simple shell escape library for JavaScript. Prior to 2.1.10, Shescapeescape does not escape square-bracket glob syntax for Bash, BusyBox sh, and Dash. Applications that interpolate the return value directly into a shell command string can cause an attacker-controlled value like...