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CVE-2026-65317

Verba (goldenverba) Server-Side Request Forgery via /api/connect and Same-Origin Middleware Bypass

CVSS 4.0 9.2 CRITICALCVSS 3.1 8.6 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-65317

Published

Verba RAG application version 2.1.3 contains a server-side request forgery vulnerability combined with a same-origin middleware bypass that allows unauthenticated remote attackers to make the server issue arbitrary HTTP requests by supplying a crafted Origin header and attacker-controlled host and port values. Attackers can bypass the localhost origin check in the API middleware by sending any Origin value prefixed with ' regardless of port, then submit arbitrary host and port parameters to the /api/connect endpoint to cause the server to issue outbound GET requests to attacker-controlled infrastructure.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-65317

Published

Verba

Vendor product

Publisher's version information

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

{
                    "defaultStatus": "affected",
                    "vendor": "Weaviate",
                    "product": "Verba",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver",
                            "lessThanOrEqual": "2.1.3"
                        }
                    ]
                }

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