Medium severity5.0NVD Advisory· Published Sep 5, 2026· Updated Sep 23, 2026
CVE-2026-86122
CVE-2026-86122
Description
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.
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Affected products
1- Range: <=0.9.1
Patches
Vulnerability mechanics
References
4- github.com/rowboatlabs/rowboat/blob/v0.9.1/apps/rowboat/src/application/lib/agents-runtime/agent-tools.tsnvd
- github.com/rowboatlabs/rowboat/blob/v0.9.1/apps/rowboat/src/application/use-cases/projects/add-custom-mcp-server.use-case.tsnvd
- github.com/rowboatlabs/rowboat/issues/621nvd
- www.vulncheck.com/advisories/rowboat-through-0.9.1-server-side-request-forgery-via-custom-mcp-servernvd
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