CVE-2026-22871: datadog guarddog Path Traversal

Vulnerability summary

CVE-2026-22871 is a critical (CVSS 9.8) Path Traversal vulnerability in datadog guarddog. EPSS estimates a 1.06% chance of exploitation in the next 30 days, higher than 64.1% of scored vulnerabilities.

Timeline

1. 13-01-2026
   PublishedVulnerability first disclosed.
2. 13-01-2026
   Last modifiedVulnerability information updated.

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.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.