What’s Vulnerable › Vulnerabilities

CVE-2021-3223

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 18.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-26 · updated 2026-06-17
• Weakness: CWE-22

Description

Node-RED-Dashboard before 2.26.2 allows ui_base/js/..%2f directory traversal to read files.

Affected products

• node-red-dashboard: before 2.26.2 — fixed in 2.26.2

How to fix

Upgrade to a fixed version: node-red-dashboard 2.26.2. Check the vendor advisory for mitigations.

References

• https://github.com/node-red/node-red-dashboard/issues/669
• https://github.com/node-red/node-red-dashboard/releases/tag/2.26.2
• https://github.com/node-red/node-red-dashboard/issues/669
• https://github.com/node-red/node-red-dashboard/releases/tag/2.26.2

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