CVE-2026-51994

Summary

The flaw allows an attacker to forge server-side requests, potentially leading to unauthorized access to internal resources via the WWW-Authenticate header.

Exploitability

Exploitation is moderately hard as it requires control over the remote MCP server's WWW-Authenticate header, but once achieved, can lead to full control over the affected system.

Blast radius

If exploited, the impact could be severe, as it allows unauthorized access to internal resources, potentially leading to data theft or system compromise.

Detection

No reliable host or network indicator is derivable from the published description.

Prioritized remediation

Upgrade to mcp-remote version 0.1.39 or later.

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.