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Public proof of concept

CVE-2025-11287

A public proof of concept exists; no exploitation attested.

  • Published2025-10-05
  • WeaknessCWE-287

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2025-10-0507:15CVE publishedNVD

Versions per branch

OSV · NVD
@samanhappy/mcphub
BranchAffectedFixed in
0.9≤ 0.9.10no fix published
Mcphubx mcphub
BranchAffectedFixed in
0.9≤ 0.9.10no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • samanhappy MCPHub
    Affected
    • = 0.9.0no fix stated
    • = 0.9.1no fix stated
    • = 0.9.2no fix stated
    • = 0.9.3no fix stated
    • = 0.9.4no fix stated
    • = 0.9.5no fix stated
    • = 0.9.6no fix stated
    • = 0.9.7no fix stated

    3 more version lines in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-10-05

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionpoc2025-10-07
  • CNACVSS 4.05.5known since 2026-10-23
  • CNACVSS 3.17.3known since 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNACVSS 2.07.5known since 2026-10-23
  • CNAweakness (CWE)CWE-287known since 2026-10-23
  • FIRST EPSSEPSS score0.6 %2026-11-09
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryMODERATE2025-10-09

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2025-10-05
Last Modified
2026-10-09
NVD status
Analyzed
GitHub Advisory
GHSA-v7c4-33vf-cqqq

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.

Is CVE-2025-11287 actively exploited?

A proof-of-concept exploit exists for CVE-2025-11287, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-11287?

CVE-2025-11287 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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