What’s Vulnerable › Vulnerabilities

CVE-2025-11287: samanhappy MCPHub sseService.ts handleSseConnectionfunction improper authentication

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-10-05 · updated 2026-10-09
• Weakness: CWE-287

Description

A vulnerability was identified in samanhappy MCPHub up to 0.9.10. This vulnerability affects the function handleSseConnectionfunction of the file src/services/sseService.ts. Such manipulation leads to improper authentication. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• samanhappy mcphub: through 0.9.10

References

• https://github.com/August829/YU1/issues/8
• https://vuldb.com/?ctiid.327045
• https://vuldb.com/?id.327045
• https://vuldb.com/?submit.661170
• https://github.com/August829/YU1/issues/8

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