How severe is GHSA-2hw7-mxvj-m455?

No CVSS score has been assigned to GHSA-2hw7-mxvj-m455 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-2hw7-mxvj-m455?

GHSA-2hw7-mxvj-m455 affects the following packages: node-red-dashboard (npm). Ecosystems affected: npm.

How do I fix GHSA-2hw7-mxvj-m455?

Update node-red-dashboard to 2.26.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-2hw7-mxvj-m455 is resolved across your whole dependency graph.

How do I detect GHSA-2hw7-mxvj-m455 in my npm dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for node-red-dashboard, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate GHSA-2hw7-mxvj-m455 if there is no patch (or I can't update yet)?

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.

Is GHSA-2hw7-mxvj-m455 actively exploited in the wild?

No public exploit code has been indexed for GHSA-2hw7-mxvj-m455 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for GHSA-2hw7-mxvj-m455?

GHSA-2hw7-mxvj-m455 has an EPSS (Exploit Prediction Scoring System) score of 18.9%, placing it in the 97th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score warrants monitoring and prompt remediation.

What type of vulnerability is GHSA-2hw7-mxvj-m455?

GHSA-2hw7-mxvj-m455 is classified as Path Traversal (CWE-22). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

Is there exploit tooling available for GHSA-2hw7-mxvj-m455?

A Nuclei detection template exists for GHSA-2hw7-mxvj-m455, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was GHSA-2hw7-mxvj-m455 published, and has it been updated?

GHSA-2hw7-mxvj-m455 was published on January 29, 2021 and was last updated on November 8, 2023. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

📦 npm

Not in CISA KEV

Path traversal in Node-RED-DashboardGHSA-2hw7-mxvj-m455

Fix: node-red/node-red-dashboard@f48f356

GHSA-2hw7-mxvj-m455 is a Path Traversal vulnerability in node-red-dashboard. EPSS puts its 30-day exploitation probability at 18.9% (97th percentile). A fix is available for node-red-dashboard — see the affected versions and patch details below.

Also known asCVE-2021-3223

Published

Jan 29, 2021

Updated

Nov 8, 2023

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Nov 12, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

18.9%probability of exploitation in next 30 days

Moderate Risk0.00%

Lower risk than most CVEs97th percentile — riskier than 97% of all scored CVEsHighest risk

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

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, a proxy for how much of the ecosystem is exposed.

node-red-dashboardnpm

81Kdownloads / week

Description

In Node-RED-Dashboard before 2.26.2 there is a path traversal vulnerability. It allows ui_base/js/..%2f directory traversal to read files.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
📦npm	`node-red-dashboard`	all versions	2.26.2`npm install node-red-dashboard@2.26.2`

Affected Products

1 product · 1 configurations

Application

node-red-dashboardnodered

< 2.26.2

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for node-red-dashboard, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update node-red-dashboard to 2.26.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-2hw7-mxvj-m455 is resolved across your whole dependency graph.
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.

How to detect GHSA-2hw7-mxvj-m455

A community-maintained Nuclei template exists for this CVE. You can scan for it directly:

nuclei -id ghsa-2hw7-mxvj-m455 -u https://target

Template: Node RED Dashboard <2.26.2 - Local File Inclusion
Severity: high
Impact: An attacker can exploit this vulnerability to access sensitive information, such as configuration files, credentials, or other sensitive data stored on the server.
Remediation: Upgrade Node RED Dashboard to version 2.26.2 or later to mitigate the vulnerability.

Template by ProjectDiscovery nuclei-templates (gy741, pikpikcu), MIT licensed. View the full template. Scan only systems you are authorised to test.

Frequently Asked Questions

In Node-RED-Dashboard before 2.26.2 there is a path traversal vulnerability. It allows ui_base/js/..%2f directory traversal to read files.

O3 Security · Impact-Aware SCA

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