CVE Catalog

CVE-2026-42260

High
Published: Translated: NVD NIST

Summary

Open-WebSearch prior to version 2.1.7 has a vulnerability that does not recognize bracketed IPv6 literals and does not resolve DNS, allowing non-blind SSRF with the response body returned to the caller.

Risk Assessment

This vulnerability may lead to unauthorized access to internal network resources, posing a significant security risk to the organization.

Recommendation

It is recommended to upgrade to version 2.1.7 or later to mitigate this vulnerability.

Related vulnerabilities

Original NVD description (English source)

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 with the response body returned to the caller. This vulnerability is fixed in 2.1.7.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS