CVE-2026-41937
CWE-61Published: May 14, 2026· Updated: May 14, 2026
Official Description
Vvveb before 1.0.8.3 contains an unrestricted file upload vulnerability in the plugin upload endpoint that allows super_admin users to execute arbitrary PHP code by uploading a malicious plugin ZIP file. Attackers can craft a ZIP containing a plugin.php with a valid Slug header and a public/index.php file with arbitrary PHP code, which executes as the web server user when accessed via unauthenticated HTTP requests to the plugin's public path.
Technical Analysis
CVE-2026-41937 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (3)
Quick Facts
Related CVEs (CWE-61)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-41937 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts