Vulnerability · Published Jan 13, 2026 · Assigned by GitHub_M

CVE-2026-22871GuardDog Path Traversal Vulnerability Leads to Arbitrary File Overwrite and RCE

High 8.7

In plain English

A high-severity path traversal in guarddog from DataDog. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)8.7High

Exploit odds (30 days)1.1%top 35.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
PyPI	guarddog	2.7.1	GHSA-xg9w-vg3g-6m68
PyPI	guarddog	2.7.1	PYSEC-2026-1430

Affected products (as reported)

Vendor	Product	Versions
DataDog	guarddog	< 2.7.1

Weakness: CWE-22 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References

https://github.com/DataDog/guarddog/security/advisories/GHSA-xg9w-vg3g-6m68 x_refsource_CONFIRM
https://github.com/DataDog/guarddog/commit/9aa6a725b2c71d537d3c18d1c15621395ebb879c x_refsource_MISC