CVE-2026-27899 - Vulnerability Analysis

Overview

WireGuard Portal prior to 2.1.3 contains a broken access control vulnerability caused by improper handling of the IsAdmin field in user profile updates, letting authenticated non-admin users escalate to full admin privileges by sending a crafted PUT request, exploit requires user authentication.

Severity & Score

Impact

Authenticated users can escalate their privileges to full administrator, gaining complete control over the WireGuard management portal.

Mitigation

Update to version 2.1.3 or later.

References

• https://github.com/h44z/wg-portal/security/advisories/GHSA-5rmx-256w-8mj9

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner