CVE-2021-3223
Path traversal in Node-RED-Dashboard
Node-RED-Dashboard before 2.26.2 allows ui_base/js/..%2f directory traversal to read files.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Node-RED-Dashboard before 2.26.2 allows ui_base/js/..%2f directory traversal to read files.
- Record
CVE-2021-3223- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
Node-RED-Dashboard before 2.26.2 allows ui_base/js/..%2f directory traversal to read files.
- Record
CVE-2021-3223- Updated
- 2026-11-02
EUVDEUVD-2021-0479 No score
Node-RED-Dashboard before 2.26.2 allows ui_base/js/..%2f directory traversal to read files.
- Record
EUVD-2021-0479- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2hw7-mxvj-m455 No score
Path traversal in Node-RED-Dashboard
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.
- Record
GHSA-2hw7-mxvj-m455- Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
Node-RED-Dashboard before 2.26.2 allows ui_base/js/..%2f directory traversal to read files.
- Record
CVE-2021-3223- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-2hw7-mxvj-m455 No score
Path traversal in Node-RED-Dashboard
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.
- Record
GHSA-2hw7-mxvj-m455- Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
node-red-dashboardnpm |
before 2.26.2 | 2.26.2 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Node RED Dashboard <2.26.2 - Local File Inclusion |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-3223 is a high vulnerability (CVSS 7.5) in Nodered Node-red-dashboard, published January 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 18.9%, the 97th percentile. Fixed in node-red-dashboard 2.26.2.
References
github.com/node-red/node-red-dashboard/issues/669
nvd.nist.gov/vuln/detail/CVE-2021-3223
npmjs.com/package/node-red-dashboard