ETK-2026-357Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-357",
  "cve_id": null,
  "display_id": "ETK-2026-357",
  "ghsa_id": "GHSA-63jm-59jj-478j",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Path-based authentication bypass in oauth2-proxy",
  "summary": "oauth2-proxy versions through v7.15.4 are affected when deployments use path-based authentication exemptions through --skip-auth-route or --skip-auth-regex. An unauthenticated requester may access a protected downstream route when oauth2-proxy classifies a path as exempt but the downstream proxy or application resolves it to a protected resource; deployments without these exemptions are not affected.",
  "mitigation": "Upgrade unnamed to > v7.15.4 or later.",
  "vendor": null,
  "product": "OAuth2 Proxy",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "> v7.5.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "> v7.15.4"
      ],
      "package_name": null,
      "purl": null
    }
  ],
  "cwes": [
    180
  ],
  "cvss_score": 9.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 19.951846983333333,
  "t0_at": null,
  "signals": {
    "check": {
      "at": "2026-10-02T17:21:45.326991+00:00",
      "days": -18.95332757241898,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T16:14:32.866714+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-01T09:23:37+00:00",
      "days": -20.285368394074073,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T16:14:32.866714+00:00",
      "url": "https://github.com/oauth2-proxy/oauth2-proxy/security/advisories/GHSA-63jm-59jj-478j"
    }
  }
}