VULNERABILITY INTELLIGENCE

CVE-2026-50558

CVSS score5.9 MEDIUM
EPSS probability0.37%
CISA KEVNot currently listed
Published2026-07-29
Last modified2026-10-23
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L

Description

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.

Weakness classification

  • security-advisories@github.com: CWE-22

Primary references