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MEDIUM severity

CVE-2023-43801 — arduino-create-agent

MEDIUM

CVE-2023-43801 is a medium-severity (CVSS 6.1) Path Traversal vulnerability in github.com/arduino/arduino-create-agent. A fix is available for github.com/arduino/arduino-create-agent — see the affected versions and patch details below.

Path traversal in Arduino Create Agent

Also known asGHSA-mjq6-pv9c-qppq
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 1, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2023-43801.

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk+0.02%
Lower risk than most CVEs28th percentile — riskier than 28% of all scored CVEsHighest risk
0.00%0.28%0.56%0.84%0.0%0.3%May 26Aug 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐹github.com/arduino/arduino-create-agent

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

Impact

The vulnerability affects the endpoint /v2/pkgs/tools/installed and the way it handles plugin names supplied as user input. A user who has the ability to perform HTTP requests to the localhost interface, or is able to bypass the CORS configuration, can delete arbitrary files or folders belonging to the user that runs the Arduino Create Agent via a crafted HTTP DELETE request. Further details are available in the references.

Fixed Version

  • 1.3.3

References

The issue was reported by Nozomi Networks Labs. Further details on the issue are available at the following URL:

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/arduino/arduino-create-agentall versions1.3.3go get github.com/arduino/arduino-create-agent@v1.3.3

Affected Products

1 product · 1 configurations
Application
create agentarduino
< 1.3.3
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/arduino/arduino-create-agent, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update github.com/arduino/arduino-create-agent to 1.3.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2023-43801 is resolved across your whole dependency graph.

  3. Workarounds

    Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.

Frequently Asked Questions

### Impact The vulnerability affects the endpoint `/v2/pkgs/tools/installed` and the way it handles plugin names supplied as user input. A user who has the ability to perform HTTP requests to the localhost interface, or is able to bypass the CORS configuration, can delete arbitrary files or folders belonging to the user that runs the Arduino Create Agent via a crafted HTTP DELETE request. Further details are available in the references. ### Fixed Version * `1.3.3` ### References The issue was reported by Nozomi Networks Labs. Further details on the issue are available at the following URL: *
O3 Security · Impact-Aware SCA

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CVE-2023-43801: arduino-create-agent — Fixed in 1.3.3