CVE-2026-50558 — Penelope unsafe tar extraction allows arbitrary local file write via crafted session archive
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.extracta…
Published: 2026-07-29 · CVSS: 5.9 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7