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::append_dir_all() function that allows attackers to read files outside the intended s…
Published: 2026-08-10 · CVSS: 7.1 · CVSS 4.0
tar-rs versions 0.4.11 through 0.4.46 contain a symlink escape vulnerability in the Builder::append_dir_all() 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 untrusted directory, the function follows symlinks without verifying that resolved targets remain within the source root, causing out-of-bounds files to be included in the archive as regular files and disclosed to the attacker.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7