CVE-2026-75975

fast-uri is a URI parser for Node.js whose custom bracketed IPv6 literal parser fails to validate the full IPv6 grammar. Invalid trailing text in an authority is silently discarded, causing a malformed attacker-controlled host to normalize to a different valid IPv6 destination (e.g., the unspecif...

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...

PT-2026-37255

Name of the Vulnerable Software and Affected Versions Open-WebSearch versions prior to 2.1.7 Description An issue exists in the isPublicHttpUrl and assertPublicHttpUrl functions within src/utils/urlSafety.ts that allows non-blind Server-Side Request Forgery SSRF, where the response body is return...