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Medium

Refly through 1.1.0 Server-Side Request Forgery via scrape endpoint

Type: advisorySources: OSV

Refly through 1.1.0 contains a server-side request forgery vulnerability in the POST /v1/misc/scrape endpoint that fetches caller-supplied URLs without validating the scheme, host, or resolved address. Authenticated attackers can make the backend issue requests to loopback, private, and link-local addresses including cloud metadata services to read page titles and descriptions of internal resources.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-91199
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 16:48 UTC · Revision 1

Source evidence

Refly through 1.1.0 Server-Side Request Forgery via scrape endpoint

core-osv · Original source

Published 14 Sept 2026, 22:10 UTC

Refly through 1.1.0 contains a server-side request forgery vulnerability in the POST /v1/misc/scrape endpoint that fetches caller-supplied URLs without validating the scheme, host, or resolved address. Authenticated attackers can make the backend issue requests to loopback, private, and link-local addresses including cloud metadata services to read page titles and descriptions of internal resources.

osv:CVE-2026-91199
Complete source record
{
  "id": "948957cabaef248c3646c2524f7958eb49c33dc25a609442be1ef3b10f2efa46",
  "url": "https://osv.dev/vulnerability/CVE-2026-91199",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Refly through 1.1.0 Server-Side Request Forgery via scrape endpoint",
    "summary": "Refly through 1.1.0 contains a server-side request forgery vulnerability in the POST /v1/misc/scrape endpoint that fetches caller-supplied URLs without validating the scheme, host, or resolved address. Authenticated attackers can make the backend issue requests to loopback, private, and link-local addresses including cloud metadata services to read page titles and descriptions of internal resources.",
    "evidence": "osv:CVE-2026-91199",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-91199",
      "aliases": [
        "CVE-2026-91199"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/refly-ai/refly",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "77fb0ca184251bba7380cbac2dbdf7a6c9944652"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.1.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.1.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.1.0",
            "v0.8.0",
            "v0.9.1",
            "v0.9.0",
            "v0.7.1",
            "v0.7.0",
            "v0.6.0",
            "v0.5.0",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-91199.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.607124379Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91199.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-91199",
        "https://www.vulncheck.com/advisories/refly-through-1.1.0-server-side-request-forgery-via-scrape-endpoint",
        "https://github.com/refly-ai/refly/issues/2280",
        "https://github.com/refly-ai/refly",
        "https://github.com/refly-ai/refly/blob/77fb0ca184251bba7380cbac2dbdf7a6c9944652/apps/api/src/modules/misc/misc.controller.ts#L38-L43",
        "https://github.com/refly-ai/refly/blob/77fb0ca184251bba7380cbac2dbdf7a6c9944652/packages/utils/src/scrape-weblink.ts"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-918"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91199.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-91199",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497583,
  "published_at": "2026-09-14T22:10:56.493+00:00"
}