CVE-2026-77156 ast-cli: Path traversal in tar extraction on Linux/macOS allows writes outside the install directory

Incomplete validation of extracted archive entry paths in ast-cli's tar extraction logic on Linux and macOS used when installing the Vorpal ASCA real-time engine and the SCA Resolver would allow a malicious tar archive containing absolute or traversal path entries to write files outside the insta...

CVE-2026-77156

The ast-cli tool is vulnerable to a path traversal flaw during tar extraction on Linux and macOS platforms. The root cause is incomplete validation of extracted archive entry paths, which can be exploited by a malicious archive containing absolute or traversal path entries to write files outside ...

Path Traversal

Composer is vulnerable to Path Traversal. The vulnerability is due to improper validation of bin entries containing .. path segments, which allows an attacker to modify permissions of arbitrary host files outside the package installation directory during Composer package installation or update...