What is GHSA-wv29-ggqw-p97w?

GHSA-wv29-ggqw-p97w is a security advisory published by GitHub Security Advisories with Critical severity. An arbitrary file upload vulnerability in the attachment handling component of flatnotes v5.5.4...

Which CVE IDs does GHSA-wv29-ggqw-p97w cover?

GHSA-wv29-ggqw-p97w covers the following CVE IDs: CVE-2026-50873. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-wv29-ggqw-p97w?

GHSA-wv29-ggqw-p97w has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-wv29-ggqw-p97wCriticalCVSS 9.8

An arbitrary file upload vulnerability in the attachment handling component of flatnotes v5.5.4...

Vendor

GitHub Security Advisories

Published

June 15, 2026

Last Modified

June 16, 2026

🔗 CVE IDs covered (1)

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-50873
https://gist.github.com/pyuysig/ab0af5b10877fb906941e05a69b202a7
https://github.com/advisories/GHSA-wv29-ggqw-p97w