CVE-2026-42260

Open-WebSearch is a multi-engine MCP server, CLI, and local daemon for agent web search and content retrieval. Prior to 2.1.7, isPublicHttpUrl / assertPublicHttpUrl in src/utils/urlSafety.ts do not recognize bracketed IPv6 literals and do not resolve DNS, which combine to allow non-blind SSRF wit...

CVE-2026-42260

Open-WebSearch CVE-2026-42260 describes a SSRF in fetchWebContent of the MCP tool where bracketed IPv6 literals and lack of DNS resolution allow bypassing the public URL checks. The vulnerability arises because isPublicHttpUrl / assertPublicHttpUrl in src/utils/urlSafety.ts treat bracketed IPv6 h...

CVE-2026-42260

Open-WebSearch is a multi-engine MCP server, CLI, and local daemon for agent web search and content retrieval. Prior to 2.1.7, isPublicHttpUrl / assertPublicHttpUrl in src/utils/urlSafety.ts do not recognize bracketed IPv6 literals and do not resolve DNS, which combine to allow non-blind SSRF wit...

Open-WebSearch 代码问题漏洞

Open-WebSearch is a multi-engine web search and content retrieval tool developed by Aasee’s individual developers, without the need for an API key. Versions of Open-WebSearch prior to 2.1.7 had code vulnerabilities. These vulnerabilities stemmed from URL security checks not recognizing IPv6...

Server-side Request Forgery (SSRF)

Overview open-websearch is a web search the internet Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the fetchWebContent process. An attacker can access internal network resources and retrieve sensitive information by supplying specially crafted URLs that...