{"action":"Upgrade open-websearch to 2.1.7 or later.","affected":[{"fixed":"2.1.7","introduced":"0"}],"component":"open-websearch","cve_ids":["CVE-2026-42260"],"ecosystem":"npm","epss":0.00215,"exploited":false,"fixed_versions":["2.1.7"],"ghsa_id":"GHSA-v228-72c7-fx8j","id":"tcs_01M5KGAAQG641A960P48TTXZ7R","modified_at":"2026-05-13T16:38:44.560796Z","published_at":"2026-05-05T20:51:45Z","references":["https://osv.dev/vulnerability/GHSA-v228-72c7-fx8j","https://github.com/Aas-ee/open-webSearch/security/advisories/GHSA-v228-72c7-fx8j","https://nvd.nist.gov/vuln/detail/CVE-2026-42260","https://github.com/Aas-ee/open-webSearch"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"GHSA-v228-72c7-fx8j","url":"https://osv.dev/vulnerability/GHSA-v228-72c7-fx8j"}],"summary":"open-websearch has SSRF in `fetchWebContent` MCP tool: bracketed IPv6 literals and non-resolving hostname check bypass `isPrivateOrLocalHostname`"}