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As of 09/13/2026, within CyStack's analyzed data, github-mcp-server has 2 security vulnerabilities published in the last 90 days. Of these, 1 is rated High or Critical. None of these vulnerabilities is listed in the CISA KEV catalog. CyStack recommends that organizations and individual users remediate applicable vulnerabilities as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of github-mcp-server and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
Explore CyStack VulnScan| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-47427GitHub MCP Server: Nil Pointer Dereference DoS in completion/complete Handler | Exploitation statusPublic exploit | FixYes | Published07/28/2026 | SeverityHigh |
CVE-2026-48529GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion | Exploitation statusPublic exploit | FixYes | Published06/26/2026 | SeverityMedium |
