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CRITICAL

CVE-2026-22871

GuardDog Path Traversal Vulnerability Leads to Arbitrary File Overwrite and RCE

CVSS v3

9.8

CRITICAL

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

none

SSVC status

Description

GuardDog is a CLI tool to identify malicious PyPI packages. Prior to 2.7.1, there is a path traversal vulnerability exists in GuardDog's safe_extract() function that allows malicious PyPI packages to write arbitrary files outside the intended extraction directory, leading to Arbitrary File Overwrite and Remote Code Execution on systems running GuardDog. This vulnerability is fixed in 2.7.1.

Technical details

Published
2026-01-13
Last Modified
2026-01-21

Frequently asked questions

What is CVE-2026-22871?

GuardDog is a CLI tool to identify malicious PyPI packages. Prior to 2.7.1, there is a path traversal vulnerability exists in GuardDog's safe_extract() function that allows malicious PyPI packages to write arbitrary files outside the intended extraction directory, leading to Arbitrary File Overwrite and Remote Code Execution on systems running GuardDog. This vulnerability is fixed in 2.7.1.

Is CVE-2026-22871 actively exploited?

Active exploitation of CVE-2026-22871 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-22871?

CVE-2026-22871 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2026-22871 affecting your environment?

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