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Description

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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.

Es wurde eine Schwachstelle in samanhappy MCPHub up to 0.9.10 entdeckt. Dabei betrifft es die Funktion handleSseConnectionfunction der Datei src/services/sseService.ts. Mittels dem Manipulieren mit unbekannten Daten kann eine improper authentication-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-10-04 | Published 2025-10-05 | Updated 2025-10-07 | Assigner VulDB




MEDIUM: 6.9CVSS: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
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Improper Authentication

Product status

0.9.0
affected

0.9.1
affected

0.9.2
affected

0.9.3
affected

0.9.4
affected

0.9.5
affected

0.9.6
affected

0.9.7
affected

0.9.8
affected

0.9.9
affected

0.9.10
affected

Timeline

2025-10-04:Advisory disclosed
2025-10-04:VulDB entry created
2025-10-04:VulDB entry last update

Credits

Yu Bao (VulDB User) reporter

References

vuldb.com/?id.327045 (VDB-327045 | samanhappy MCPHub sseService.ts handleSseConnectionfunction improper authentication) vdb-entry technical-description

vuldb.com/?ctiid.327045 (VDB-327045 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.661170 (Submit #661170 | samanhappy mcphub v0.9.10 Unauthorized access) third-party-advisory

github.com/August829/YU1/issues/8 exploit issue-tracking

cve.org (CVE-2025-11287)

nvd.nist.gov (CVE-2025-11287)

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