CVE-2025-11287: mcphub Auth Bypass — Exploit

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.

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CVSS v3.1 Score

7.3

HIGH

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

Weakness Type (CWE)

CWE-287 Improper Authentication

Affected Products

Vendor	Product	Versions
mcphubx	mcphub	< 0.9.10

References

Exploits

https://github.com/August829/YU1/issues/8 https://github.com/August829/YU1/issues/8

Other References

https://vuldb.com/?ctiid.327045 https://vuldb.com/?id.327045 https://vuldb.com/?submit.661170

Frequently Asked Questions

What is CVE-2025-11287? +

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. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-11287? +

CVE-2025-11287 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-11287? +

CVE-2025-11287 affects products from mcphubx, specifically: mcphub. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-11287? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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