CVE-2024-42471
Arbitrary File Write via artifact extraction in actions/artifact
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Arbitrary File Write via artifact extraction in actions/artifact
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.
- Record
CVE-2024-42471- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2024-2737
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.
- Record
EUVD-2024-2737- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6q32-hq47-5qq3
@actions/artifact has an Arbitrary File Write via artifact extraction
Impact
Versions of actions/artifact before 2.1.7 are vulnerable to arbitrary file write when using downloadArtifactInternal, downloadArtifactPublic, or streamExtractExternal for extracting a specifically crafted artifact that contains path traversal filenames.
Patches
Upgrade to version 2.1.7 or higher.
References
CVE
CVE-2024-42471
Credits
Justin Taft from Google
- Record
GHSA-6q32-hq47-5qq3- CVSS 4.0
- 8.6 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-42471- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVGHSA-6q32-hq47-5qq3
@actions/artifact has an Arbitrary File Write via artifact extraction
Impact
Versions of actions/artifact before 2.1.7 are vulnerable to arbitrary file write when using downloadArtifactInternal, downloadArtifactPublic, or streamExtractExternal for extracting a specifically crafted artifact that contains path traversal filenames.
Patches
Upgrade to version 2.1.7 or higher.
References
CVE
CVE-2024-42471
Credits
Justin Taft from Google
- Record
GHSA-6q32-hq47-5qq3- CVSS 4.0
- 8.6 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
@actions/artifactnpm |
2.0.0 up to 2.1.2 | 2.1.2 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | unzip-stream 0.3.1 - Arbitrary File Write | 2025-04-30 |
| PoC in GitHub | theMcSam/CVE-2024-42471-PoC | 2025-04-24 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, Exploit-DB, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-42471 is a high vulnerability (CVSS 7.3) in Actions Toolkit, published September 2, 2024. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.22%, the 88th percentile. Fixed in @actions/artifact 2.1.2.