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AI / ML CVE-2026-22871

CRITICAL
Path Traversal (CWE-22)
2026-01-13 security-advisories@github.com GHSA-xg9w-vg3g-6m68
RCE Path Traversal AI / ML Guarddog
9.8
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch released
Jan 21, 2026 - 18:46 nvd
Patch available
CVE Published
Jan 13, 2026 - 21:15 nvd
CRITICAL 9.8

DescriptionGitHub Advisory

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.

AnalysisAI

GuardDog security scanner before 2.7.1 has a path traversal in safe_extract() that allows malicious PyPI packages to write files outside the extraction directory. Ironic vulnerability in a tool designed to detect malicious packages. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Publish malicious PyPI package
Delivery
GuardDog downloads and extracts package
Exploit
Path traversal in safe_extract() writes files outside directory
Execution
Arbitrary files overwritten on system
Impact
Remote code execution achieved
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Vulnerability AssessmentAI

Exploitation GuardDog versions prior to 2.7.1 must analyze a malicious PyPI package containing path traversal sequences (e.g., ../ paths) in the package structure. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 9.8 (Critical). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker publishes a malicious PyPI package. When GuardDog scans it, the archive extracts files to ~/.bashrc or a cron directory, achieving code execution on the security researcher's machine.
Remediation Update to GuardDog 2.7.1. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Identify all affected systems and apply vendor patches immediately. …

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CVE-2026-22871 vulnerability details – vuln.today
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