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CVE-2026-86122

Rowboat through 0.9.1 Server-Side Request Forgery via Custom MCP Server

CVSS 4.0 5.3 MEDIUMCVSS 3.1 5.0 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-86122

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-86122

Published

rowboat

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "rowboatlabs",
                    "product": "rowboat",
                    "repo": "https://github.com/rowboatlabs/rowboat",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:github/rowboatlabs/rowboat",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "0.9.1",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON