CVE-2026-70622 tar-rs 0.4.11 - 0.4.46 Symlink Escape via append_dir_all()

tar-rs versions 0.4.11 through 0.4.46 contain a symlink escape vulnerability in the Builder::appenddirall function that allows attackers to read files outside the intended source root directory by planting symlinks in an attacker-controlled directory. When a privileged process archives an untrust...