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Home / Vulnerability Intelligence / CVE-2026-42260

CVE-2026-42260 - Vulnerability Analysis

HighCVSS: 8.2

Last Updated: May 12, 2026

Open-WebSearch - Server Side Request Forgery

Published: May 12, 2026Updated: May 12, 2026Remote Exploitable

Overview

Open-WebSearch < 2.1.7 contains a server-side request forgery caused by improper handling of bracketed IPv6 literals and lack of DNS resolution in isPublicHttpUrl/assertPublicHttpUrl, letting attackers perform non-blind SSRF with response returned, exploit requires crafted URL input.

Severity & Score

Severity: High
CVSS Score: 8.2
EPSS Score: 0.0%(Probability of exploitation in next 30 days)

Impact

Attackers can perform non-blind SSRF to retrieve internal resources and data, potentially leading to information disclosure or further attacks.

Mitigation

Update to version 2.1.7 or later.

References

Social Media Activity(4 posts)

TheHackerWire
TheHackerWire
@thehackerwire
May 12, 2026

šŸŸ  CVE-2026-42260 - High (8.2) 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 reso... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-42260/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post
TheHackerWire
TheHackerWire
@thehackerwire
May 12, 2026

šŸŸ  CVE-2026-42260 - High (8.2) 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 reso... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-42260/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post
TheHackerWire
TheHackerWire
@thehackerwire
May 12, 2026

šŸŸ  CVE-2026-42260 - High (8.2) 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 reso... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-42260/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post
TheHackerWire
TheHackerWire
@thehackerwire
May 12, 2026

šŸŸ  CVE-2026-42260 - High (8.2) 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 reso... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-42260/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post

Related Resources

Details

CVE ID
CVE-2026-42260
Severity
High
CVSS Score
8.2
Type
server_side_request_forgery
Status
new
EPSS
0.0%
Social Posts
4

CWE

  • CWE-918

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS Score

0.0%Probability of exploitation in the next 30 days