Hub/AI Security/Advisories/GHSA-pjp5-fpmr-3349
Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion
GitHub MCP Server security advisory.
| GHSA | GHSA-pjp5-fpmr-3349 |
|---|---|
| Published | Jun 9, 2026 |
| Severity | Medium 6.0 |
| CVE | CVE-2026-48529 |
| Status | patched |
| Affected | >= 0.22.0, < 1.1.2 |
| Fixed in | 1.1.2 |
| Component | GitHub MCP Server |
Sources
Checked 2026-11-04. We copy severity and fix versions from the source and never estimate them.
Affected tools
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