CVE Catalog

CVE-2026-107333

HighCVSS 8.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
0.98%

61th percentile - higher than 61% of all known CVEs

Summary

Malcolm's nginx based reverse proxy contains a URL path normalization inconsistency between its Lua based RBAC authorization layer and nginx's own request routing logic. An authenticated user can craft a specially formatted request path to bypass role-based restrictions and reach administrative or role gated endpoints they should not have access to, including file upload, PHP server, htadmin, and authentication management interfaces.

Risk Assessment

An attacker can gain unauthorized access to administrative functions, potentially leading to system compromise.

Recommendation

It is recommended to update the proxy configuration to ensure consistent path normalization or apply vendor patches.

Related vulnerabilities

Original NVD description (English source)

Malcolm's nginx based reverse proxy contains a URL path normalization inconsistency between its Lua based role-based access control (RBAC) authorization layer and nginx's own request routing logic. An authenticated user can craft a specially formatted request path to bypass role-based restrictions and reach administrative or role gated endpoints they should not have access to. This affects all restricted paths protected by the RBAC authorization layer, including file upload, PHP server, htadmin, and authentication management interfaces.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS