cvedb.io
CVE-2026-50873
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2026-06-15T20:16:30.097 · Last modified 2026-06-17T10:57:47.213

Summary

An arbitrary file upload vulnerability in the attachment handling component of flatnotes v5.5.4 allows attackers to execute arbitrary code via uploading a crafted HTML or SVG file.

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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.