medium5.9
CVE-2026-50558
Penelope Shell Handler is a post-exploitation shell handler for authorized security testing.
Impact
Penelope Shell Handler is a post-exploitation shell handler for authorized security testing. Prior to 0.20.0, the Unix download() implementation in penelope.py used tar.extractall(local_download_folder) on tar archives returned by remote sessions without validating member paths, allowing a malicious or compromised session to write files outside the intended download directory and potentially overwrite ~/.penelope/peneloperc. This issue is fixed in version 0.20.0.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | penelope-shell-handler | < 0.20.0 | 0.20.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-f42x-p2mx-hm8r
- https://github.com/brightio/penelope/security/advisories/GHSA-f42x-p2mx-hm8r
- https://github.com/brightio/penelope/commit/a040afb5db32c7e80b5e8a2f9b2164cf911cfa62
- https://github.com/brightio/penelope/releases/tag/v0.20.0