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Critical severity9.8NVD Advisory· Published Jun 15, 2026· Updated Jun 16, 2026

CVE-2026-50873

CVE-2026-50873

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Flatnotes/Flatnotesinferred2 versions
    = 5.5.4+ 1 more
    • (no CPE)range: = 5.5.4
    • (no CPE)range: = 5.5.4

Patches

Vulnerability mechanics

References

1

News mentions

0

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CVE-2026-50873 · Critical · VYPR