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 via the getEscapeFunction logic in src/internal/unix/busybox.js. An attacker can reveal the user's home directory and alter how a command interprets an...

EUVD-2026-59804

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...

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 3.0.2 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 ...

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...

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: 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...