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CVE-2026-50873

CRITICAL CVSS: 9.8 Published: 2026-06-15 Modified: 2026-06-17

Description

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.

Affected Platforms

Unknown

Weakness Type

CWE-434

References