CVE-2026-73030
Fixed in a distro release EPSS <1%CVSS 8.1
unearth through 0.18.2, fixed in commit 6c78164, contains a path traversal vulnerability in the is_within_directory function that fails to normalize paths before validation, allowing ../ sequences to bypass directory containment checks. Attackers can supply malicious tar archives with symlink members or traversal sequences to write files to arbitrary filesystem locations accessible to the process.
Products: frostming unearth
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | unearth | no fix |
| Debian 13 | unearth | no fix |
| Debian 14 | unearth | 0.18.3-1 |
| Ubuntu 24.04 LTS | unearth | no fix |
| Ubuntu 26.04 LTS | unearth | no fix |
| openSUSE Leap 16.0 | python-unearth | 0.17.3-bp160.2.1 |
| openSUSE Tumbleweed | python-unearth | 0.18.3-1.1 |