Vulnerability record · CVE-2026-90772 · published 13 September 2026

CVE-2026-90772: Cross-site scripting vulnerability

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.

8.3 CVSS 4.0 High EPSS 0.36% · top 72.5% CWE-79 · Cross-site scripting Deferred

8.3CVSS 4.0 base score

0.36%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

5References

24 Sep 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
https://github.com/amundsen-io/amundsen
https://github.com/amundsen-io/amundsen/blob/frontend-4.3.0/frontend/amundsen_application/static/js/components/ResourceL
https://github.com/amundsen-io/amundsen/issues/2362
https://www.vulncheck.com/advisories/amundsen-frontend-through-4.3.0-stored-xss-via-description
https://github.com/amundsen-io/amundsen/issues/2362

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-90772), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.