BBOT: Path traversal (Zip-Slip) in unarchive module - incomplete fix for CVE-2025-10284
The unarchive internal module's archive extraction commands perform no code-level validation on extracted file paths, relying entirely on the behavior of external tools (e.g. GNU tar) which varies by platform. While CVE-2025-10284 addressed git-specific RCE vectors, the underlying archive extraction path traversal was never fixed. On systems with GNU tar < 1.34 (Ubuntu 20.04, Debian Buster, CentOS 7, many Docker base images), a malicious archive can write files outside the intended extraction directory.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | bbot | >= 2.3.1, < 2.8.5 | 2.8.5 |
References
- https://github.com/blacklanternsecurity/bbot/security/advisories/GHSA-3vgw-585j-4m45
- https://nvd.nist.gov/vuln/detail/CVE-2026-12565
- https://github.com/blacklanternsecurity/bbot/commit/4fb38fd6e
- https://github.com/blacklanternsecurity/bbot
- https://pypi.org/project/bbot
- https://github.com/advisories/GHSA-3vgw-585j-4m45
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N- Weakness (CWE)
CWE-22, CWE-61- Platform
- Python (PyPI)
- Package
bbot- Disclosed
- 18.06.2026
- Updated
- 11.10.2026 14:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-2392 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-3vgw-585j-4m45 - CC BY 4.0
Vulnerability history: bbot
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 10
- First → latest
- 10.2025 07.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- Medium 4
- Low 4
Disclosures per year
- 2025: 4
- 2026: 6
-
BBOT: Path traversal (Zip-Slip) in unarchive module - incomplete fix for CVE-2025-10284 this entry
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