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GHSA-V228-72C7-FX8J open-websearch has SSRF in `fetchWebContent` MCP tool: bracketed IPv6 literals and non-resolving hostname check bypass `isPrivateOrLocalHostname`

🗓️ 05 May 2026 20:51:45Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 23 Views

SSRF in fetchWebContent due to bracketed IPv6 literals and hostname check bypassing DNS resolution.

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13 May 2026 16:38Current
6Medium risk
Vulners AI Score6
CVSS 3.18.2
EPSS0.00215
23