Is CVE-2026-42260 actively exploited?

No active exploitation of CVE-2026-42260 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-42260 be exploited remotely?

Yes. CVE-2026-42260 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-42260?

CVE-2026-42260 has a CVSS score of 8.2 (HIGH).

HOME VULNERABILITIESCVE-2026-42260

HIGH

CVE-2026-42260

CWE-918Published: May 12, 2026· Updated: May 14, 2026

8.2

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.7th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-42260 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 8.2.