CVE-2024-42471 HIGH

CVE-2024-42471: Arbitrary File Write via artifact extraction in actions/artifact

Vendor Actions
Product toolkit
Weakness CWE-22 · Path traversal
Published September 2, 2024
Last update August 27, 2025

CVSS base score

7.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

actions/artifact is the GitHub ToolKit for developing GitHub Actions. Versions of `actions/artifact` on the 2.x branch before 2.1.2 are vulnerable to arbitrary file write when using `downloadArtifactInternal`, `downloadArtifactPublic`, or `streamExtractExternal` for extracting a specifically crafted artifact that contains path traversal filenames. Users are advised to upgrade to version 2.1.2 or higher. There are no known workarounds for this issue.

Key dates

02Disclosure timeline

September 2, 2024 CVE published
August 27, 2025 Record updated