What is GHSA-hmpj-wp8r-7h2p?

GHSA-hmpj-wp8r-7h2p is a security advisory published by GitHub Security Advisories with Medium severity. The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and...

Which CVE IDs does GHSA-hmpj-wp8r-7h2p cover?

GHSA-hmpj-wp8r-7h2p covers the following CVE IDs: CVE-2026-48946. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-hmpj-wp8r-7h2p?

GHSA-hmpj-wp8r-7h2p has a CVSS v3 base score of 6.3, published by GitHub Security Advisories.

GHSA-hmpj-wp8r-7h2pMediumCVSS 6.3

The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and...

Vendor

GitHub Security Advisories

Published

June 25, 2026

Last Modified

June 25, 2026

🔗 CVE IDs covered (1)

CVE-2026-48946 →

📋 Description

The K2 frontend article-attachment upload path accepts files whose extension is .php, and Apache's standard mod_php matches \.php$ and executes them under the K2 web user. A K2 Author can upload a shell.php, then fetch /media/k2/attachments/shell.php and execute arbitrary PHP code in the web server's context.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-48946
https://www.getk2.org
https://github.com/advisories/GHSA-hmpj-wp8r-7h2p