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 …
Published: 2026-08-15 · CVSS: 6.3 · CVSS 4.0
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 to a command, an attacker can inject a tilde payload to disclose the user's home directory location and, depending on usage, alter the location on which a command operates.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7