CVE-2026-73055

Shescape before 2.1.15 and 3.0.0 before 3.0.2 fails to properly escape tilde characters in assignment contexts on Unix systems where the shell is explicitly configured to "sh" or true and /bin/sh points to BusyBox. Using the escape and escapeAll APIs with untrusted input in an assignment prefixed...

CVE-2026-73055 Shescape before 2.1.15 and 3.0.2 Home Directory Disclosure via BusyBox

Shescape before 2.1.15 and 3.0.0 before 3.0.2 fails to properly escape tilde characters in assignment contexts on Unix systems where the shell is explicitly configured to "sh" or true and /bin/sh points to BusyBox. Using the escape and escapeAll APIs with untrusted input in an assignment prefixed...

CVE-2026-73055

shescape , a Node.js shell-escape library, is vulnerable to improper tilde (~) escaping in assignment contexts when the Unix shell is configured to "sh" or true and /bin/sh points to BusyBox. The root cause lies in the getEscapeFunction logic in src/internal/unix/busybox.js: untrusted input such ...

CVE-2026-73055 Shescape before 2.1.15 and 3.0.2 Home Directory Disclosure via BusyBox

Shescape before 2.1.15 and 3.0.0 before 3.0.2 fails to properly escape tilde characters in assignment contexts on Unix systems where the shell is explicitly configured to "sh" or true and /bin/sh points to BusyBox. Using the escape and escapeAll APIs with untrusted input in an assignment prefixed...

CVE-2026-73055

Shescape before 2.1.15 and 3.0.0 before 3.0.2 fails to properly escape tilde characters in assignment contexts on Unix systems where the shell is explicitly configured to "sh" or true and /bin/sh points to BusyBox. Using the escape and escapeAll APIs with untrusted input in an assignment prefixed...

PT-2026-73059

Name of the Vulnerable Software and Affected Versions Shescape versions prior to 2.1.15 Shescape versions 3.0.0 through 3.0.1 Description On Unix systems where the shell is explicitly configured to "sh" or true and /bin/sh points to BusyBox, the software fails to properly escape tilde characters ...

@rse/claudex (>=0.9.22, <=1.0.10), @snyk/snyk-cocoapods-plugin (>=2.6.0, <=3.1.1) +6 more potentially affected by CVE-2026-73411 via shescape (>=2.1.0, <=2.1.12)

shescape NPM version =2.1.0, =0.9.22, =2.6.0, =2.0.0, =8.0.0, =6.0.0, =3.0.0, =3.0.0, =3.1.2 Source cves: CVE-2026-73411 Source advisory: SNYK:JS-SHESCAPE-18752076...

@rse/claudex (>=0.9.22, <=1.0.10), @snyk/snyk-cocoapods-plugin (>=2.6.0, <=3.1.1) +6 more potentially affected by CVE-2026-73414 via shescape (>=2.1.0, <=2.1.12)

shescape NPM version =2.1.0, =0.9.22, =2.6.0, =2.0.0, =8.0.0, =6.0.0, =3.0.0, =3.0.0, =3.1.2 Source cves: CVE-2026-73414 Source advisory: SNYK:JS-SHESCAPE-18752073...

@rse/claudex (>=0.9.22, <=1.0.10), @snyk/snyk-cocoapods-plugin (>=2.6.0, <=3.1.1) +6 more potentially affected by CVE-2026-73412 via shescape (>=2.1.0, <=2.1.12)

shescape NPM version =2.1.0, =0.9.22, =2.6.0, =2.0.0, =8.0.0, =6.0.0, =3.0.0, =3.0.0, =3.1.2 Source cves: CVE-2026-73412 Source advisory: SNYK:JS-SHESCAPE-18752072...

@rse/claudex (>=0.9.22, <=1.0.10), snyk-gradle-plugin (>=6.0.0, <=7.1.0) potentially affected by CVE-2026-73413 via shescape (>=2.1.11, <=2.1.12)

shescape NPM version =2.1.11, =0.9.22, =6.0.0, =7.1.0 Source cves: CVE-2026-73413 Source advisory: SNYK:JS-SHESCAPE-18752068...

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-2026-73411

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-2026-73412

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-2026-73414 Shescape: Shell injection via unescaped parentheses on Windows with CMD

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: Shell injection via unescaped parentheses on Windows with CMD

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 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: Quadratic-time denial of service in flag-protection

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-2026-73413

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...