{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.77.0"
              },
              {
                "last_affected": "0.90.5"
              },
              {
                "fixed": "0.90.5"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "b1d4efe08cc2cc484f3d363a04aaaadff11618a5"
            },
            {
              "fixed": "b9ea8c6f215e56c4c0848771e70b3ec38346eacc"
            }
          ],
          "repo": "https://github.com/rilldata/rill",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108718.json"
  },
  "details": "Rill 0.77.0 through 0.90.5 contains a missing authorization vulnerability in the admin OAuth server that issues authorization codes to dynamically registered clients without user consent. Attackers can register a client with the long_lived_access_token scope and lure a user to an authorization link, obtaining a non-expiring API token with the user's full permissions.",
  "id": "CVE-2026-108718",
  "modified": "2026-10-13T02:30:29.494499563Z",
  "published": "2026-10-11T12:19:30.004Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108718.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackmd.io/@haind03/rill-oauth-open-registration-long-lived-token"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-108718"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/rill-0.77.0-through-0.90.5-oauth-missing-authorization-via-dynamic-client-registration"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rilldata/rill"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/rilldata/rill/blob/b9ea8c6f215e56c4c0848771e70b3ec38346eacc/admin/server/auth/handlers.go#L650-L697"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/rilldata/rill/blob/b9ea8c6f215e56c4c0848771e70b3ec38346eacc/admin/server/auth/mcp_oauth.go#L77-L153"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/rilldata/rill/blob/b9ea8c6f215e56c4c0848771e70b3ec38346eacc/admin/server/auth/pkce.go#L173-L214"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Rill 0.77.0 through 0.90.5 OAuth Missing Authorization via Dynamic Client Registration"
}