Rowboat through 0.9.1 Server-Side Request Forgery via Custom MCP Server
Priority LOW 24CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.
Summary
Rowboat through 0.9.1 fails to validate custom MCP server and webhook URLs, allowing authenticated users to configure arbitrary destinations. Attackers can point these URLs at internal services and cloud metadata endpoints to perform server-side request forgery and enumerate internal network topology.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00372 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| rowboatlabs | rowboat | up to 0.9.1 | — | No fix listed | CNA |
- rowboat Vendorrowboatlabs Affected up to 0.9.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-86122
- 2026-10-03 Alias added: GHSA-jmxm-qmrf-xrpp
References
More rowboatlabs vulnerabilities
- TI-2026-58340 rowboatlabs rowboat Composio Webhook Endpoint route.ts req.json denial of service CVSS 4.0MEDIUM 6.9
- TI-2026-05822 rowboatlabs rowboat tools_webhook app.py tool_call improper authentication CVSS 4.0MEDIUM 6.9
- TI-2025-06477 rowboatlabs rowboat Session route.ts PUT missing authentication CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-86122 · CVE Program
- CVE-2026-86122 · NVD
- FIRST EPSS
- GHSA-jmxm-qmrf-xrpp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences