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CVE-2026-50558

Penelope unsafe tar extraction allows arbitrary local file write via crafted session archive PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
brightio / penelopeaffected < 0.20.0

CWE

CWE-22

References

ADP enrichment

CISA-ADP

No English description supplied.