CVE catalog
CVE-2026-73030
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
- Severity
- High · CVSS 8.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.59% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | unearth | sid | 0.18.3-2 | fixed |
| Debian | unearth | forky | 0.18.3-2 | fixed |
| Debian | unearth | trixie | 0.17.5-1 | vulnerable |
| Debian | unearth | bookworm | 0.7.2+ds-2 | vulnerable |
| Ubuntu | unearth | 24.04 | 0.9.2+ds1-1 | vulnerable |
| Ubuntu | unearth | 24.04 | 0.11.0+ds-1 | vulnerable |
| Ubuntu | unearth | 24.04 | 0.12.1+ds-1 | vulnerable |
| Ubuntu | unearth | 24.04 | 0.14.0+ds-1 | vulnerable |
| Ubuntu | unearth | 26.04 | 0.17.5-1 | vulnerable |
| Ubuntu | unearth | 26.04 | 0.18.1-1 | vulnerable |
| Ubuntu | unearth | 26.04 | 0.18.2-1 | vulnerable |
| Opensuse | python-unearth | leap 16.0 | 0.17.3-bp160.2.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | unearth | source | sid | 0.18.3-1 | not yet assigned | Not reported | [1144401] |
| Debian | unearth | source | forky | 0.18.3-1 | not yet assigned | Not reported | [1144401] |
| Debian | unearth | source | trixie | (unfixed) | not yet assigned | Not reported | [1144401] |
| Debian | unearth | source | bookworm | (unfixed) | not yet assigned | Not reported | [1144401] |
| Opensuse | python-unearth | rpm | leap 16.0 | 0.17.3-bp160.2.1 | Not reported | OPENSUSE-SU-2026:21606-1 | Not reported |
Notes
[trixie] unearth: Minor issue [bookworm] unearth: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [python3-unearth]Affected
Source package: [unearth]
Details (2)
0.7.2+ds-2· all · bookwormAffected
nvd · unearth · debian · bookworm; nvd · unearth · debian · 12
0.7.2+ds-2· all · bookwormAffected
nvd · unearth · debian · bookworm; nvd · unearth · debian · 12
[Debian 13 (Trixie)]
- [python3-unearth]Affected
Source package: [unearth]
Details (2)
0.17.5-1· all · trixieAffected
nvd · unearth · debian · 13
0.17.5-1· all · trixieAffected
nvd · unearth · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11541-1.json]
- [https://github.com/frostming/unearth/commit/6c78164e7bfa28b8b3d6f247b87e560692e3c8ba]
- [https://github.com/frostming/unearth/issues/180]
- [https://github.com/frostming/unearth/pull/181]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-73030]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-73030]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-73030]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:21606-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-73030]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-73030.json]
- [https://www.vulncheck.com/advisories/unearth-path-traversal-via-unnormalized-paths-and-symlink-escape]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]