CVE-2025-11287
JavaScript vulnerability analysis and mitigation

Overview

A vulnerability was identified in samanhappy MCPHub up to version 0.9.10, tracked as CVE-2025-11287. The vulnerability affects the handleSseConnectionfunction in the file src/services/sseService.ts and is related to improper authentication. The issue was discovered and disclosed in October 2025, with the vendor being unresponsive to early disclosure attempts (VulDB).

Technical details

The vulnerability has received a CVSS v3.1 base score of 9.8 (CRITICAL) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating a critical severity level. Additionally, it received a CVSS v4.0 score of 6.9 (MEDIUM) with the vector string CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P. The vulnerability is classified under CWE-287 (Improper Authentication) (NVD).

Impact

The vulnerability allows remote attackers to exploit improper authentication mechanisms. The impact includes potential unauthorized access with high confidentiality, integrity, and availability implications as indicated by the CVSS v3.1 scoring (NVD).

Additional resources


SourceThis report was generated using AI

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