CVEvulnerability
CVE-2026-50873
9.8 CRITICAL
Official page ↗
- Status
- Deferred
- Published
- 2026-06-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-434
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.
Related
Weakness · CWE (1)
- CWE-434 Unrestricted Upload of File with Dangerous Type weakness
References
- https://gist.github.com/pyuysig/ab0af5b10877fb906941e05a69b202a7 gist.github.com
- https://gist.github.com/pyuysig/ab0af5b10877fb906941e05a69b202a7 gist.github.com