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HIGH

CVE-2026-90772

Amundsen Frontend through 4.3.0 Stored XSS via Description

CVSS v3

7.6

HIGH

EPSS Score

0.4 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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.

Technical details

Published
2026-09-13
Last Modified
2026-09-13

Frequently asked questions

What is CVE-2026-90772?

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.

Is CVE-2026-90772 actively exploited?

Active exploitation of CVE-2026-90772 has not been confirmed. Its EPSS score was 0.4% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-90772?

CVE-2026-90772 has a CVSS v3 base score of 7.6 (HIGH severity).

Is CVE-2026-90772 affecting your environment?

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