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As of 10/23/2026, mcp-go recorded 2 security vulnerabilities in the last 90 days, of which 2 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of mcp-go and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-108859mcp-go through 1.2.1 Denial of Service via Unbounded POST Body BufferingCVE-2026-81092mcp-go before 0.56.0 Missing Host Header Validation Enables DNS Rebinding| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-108859mcp-go through 1.2.1 Denial of Service via Unbounded POST Body Buffering | Exploitation statusNot exploited | FixYes | Published10/11/2026 | SeverityHigh |
CVE-2026-81092mcp-go before 0.56.0 Missing Host Header Validation Enables DNS Rebinding | Exploitation statusNot exploited | FixYes | Published08/27/2026 | SeverityHigh |
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