---
title: "CVE-2026-90772: Amundsen frontend - Stored XSS"
description: "Amundsen frontend through 4.3.0 contains a stored XSS caused by rendering descriptions with dangerouslySetInnerHTML without sanitization in ResourceListItem components, letting attackers inject malicious scripts via metadata or Elasticsearch, exploit requires attacker to inject malicious markup."
url: https://panop.io/threat-heartbeat/CVE-2026-90772/
---

# CVE-2026-90772 Amundsen frontend - Stored XSS

Amundsen frontend through 4.3.0 contains a stored XSS caused by rendering descriptions with dangerouslySetInnerHTML without sanitization in ResourceListItem components, letting attackers inject malicious scripts via metadata or Elasticsearch, exploit requires attacker to inject malicious markup.

CVSS base score 7.6 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.36% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-90772)

## Details

Type

Stored XSS

Impact

Stored XSS

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

Published

13 September 2026

Updated

15 October 2026

Weakness

[CWE-79](https://cwe.mitre.org/data/definitions/79.html)

## Vendor fix

Update to the latest version with HTML sanitization in ResourceListItem components.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-90772](https://nvd.nist.gov/vuln/detail/CVE-2026-90772)
- [https://www.vulncheck.com/advisories/amundsen-frontend-through-4.3.0-stored-xss-via-description](https://www.vulncheck.com/advisories/amundsen-frontend-through-4.3.0-stored-xss-via-description)
- [https://github.com/amundsen-io/amundsen](https://github.com/amundsen-io/amundsen)
- [https://github.com/amundsen-io/amundsen/blob/frontend-4.3.0/frontend/amundsen\_application/static/js/components/ResourceListItem/TableListItem/index.tsx](https://github.com/amundsen-io/amundsen/blob/frontend-4.3.0/frontend/amundsen_application/static/js/components/ResourceListItem/TableListItem/index.tsx)
- [https://github.com/amundsen-io/amundsen/issues/2362](https://github.com/amundsen-io/amundsen/issues/2362)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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