cvedb.io
CVE-2026-35565
MEDIUM · CVSS 5.4
EPSS exploitation probability: 0%
Published 2026-04-13T10:16:11.770 · Last modified 2026-06-17T10:40:47.267

Summary

Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata in Apache Storm UI Versions Affected: before 2.8.6 Description: The Storm UI visualization component interpolates topology metadata including component IDs, stream names, and grouping values directly into HTML via innerHTML in parseNode() and parseEdge() without sanitization at any layer. An authenticated user with topology submission rights could craft a topology containing malicious HTML/JavaScript in component identifiers (e.g., a bolt ID containing an onerror event handler). This payload flows through Nimbus → Thrift → the Visualization API → vis.js tooltip rendering, resulting in stored cross-site scripting.  In multi-tenant deployments where topology submission is available to less-trusted users but the UI is ac

Affected products

apache — storm

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.