horizon921 mcpilot MCP API Call Endpoint route.ts server-side request forgery
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A security flaw has been discovered in horizon921 mcpilot 0.1.0. The impacted element is an unknown function of the file client/src/app/api/mcp/call/route.ts of the component MCP API Call Endpoint. The manipulation of the argument serverBaseUrl results in server-side request forgery. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| horizon921 | mcpilot | 0.1.0 | — | No fix listed | CNA |
- mcpilot Vendorhorizon921 Affected 0.1.0 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:horizon921:mcpilot:*:*:*:*:*:*:*:* | — | — | horizon921 |
- cpe:2.3:a:horizon921:mcpilot:*:*:*:*:*:*:*:* Versions — — ·horizon921
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-10280
- 2026-10-03 Alias added: GHSA-6w53-8mcc-fqqh
References
Sources
- CVE-2026-10280 · CVE Program
- CVE-2026-10280 · NVD
- FIRST EPSS
- GHSA-6w53-8mcc-fqqh · GitHub Advisory Database · CC BY 4.0
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