CVE-2026-90772
HighCVSS 7.6Exploitation Probability (EPSS)
Low risk27th percentile - higher than 27% of all known CVEs
Summary
Amundsen frontend through 4.3.0 renders table, dashboard, and feature descriptions with dangerouslySetInnerHTML without HTML sanitization in ResourceListItem components. Attackers can inject malicious markup like img elements with onerror handlers into descriptions via the metadata service or Elasticsearch, executing JavaScript in every user's browser that views search results.
Risk Assessment
Stored XSS in the search interface can lead to session theft, user account takeover, or further attacks within the victim's browser context. The risk affects all users viewing search results on an infected instance.
Recommendation
Upgrade Amundsen frontend to a version newer than 4.3.0 if a fix is available. In the meantime, restrict who can modify metadata descriptions and consider deploying Content-Security-Policy headers to limit script execution.
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Original NVD description (English source)
Amundsen frontend through 4.3.0 renders table, dashboard, and feature descriptions with dangerouslySetInnerHTML without HTML sanitization in ResourceListItem components. Attackers can inject malicious markup like img elements with onerror handlers into descriptions via the metadata service or Elasticsearch, executing JavaScript in every user's browser that views search results.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

