All vulnerabilities CVE-2026-81100 Timescale tiger-gh-mcp-server: DNS rebinding via disabled Host header allow-list mediumCVSS 7.6CWE-346 Vendor Timescale Package tiger-gh-mcp-server Affected < commit e559b57 Fixed in commit e559b57 Disclosed 2026-08-27 Credit Avishai Gonen dns-rebindingmcphost-header Published advisory