CVE-2026-93336

{
  "etk_id": "ETK-2026-2488",
  "cve_id": "CVE-2026-93336",
  "display_id": "CVE-2026-93336",
  "ghsa_id": "GHSA-43hf-rrv4-hhf5",
  "euvd_id": "EUVD-2026-108266",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Missing authorization for Juju unit resource downloads",
  "summary": "Canonical Juju 4.0 through 4.0.15 does not properly enforce authorization on unit resource downloads. A principal authenticated to the controller may access charm resources outside its intended scope, potentially exposing registry credentials. Exploitation requires controller authentication, including credentials for a unit agent or a login-only user.",
  "mitigation": "Upgrade juju to 4.0.16 or later.",
  "vendor": "Canonical",
  "product": "Juju",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 4.0, < 4.0.16"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "4.0.16"
      ],
      "package_name": "juju",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 7.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 66.67849698333333,
  "t0_at": "2026-10-22T17:32:13.820000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-22T17:32:13.820000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-22T17:32:13.820000+00:00",
      "url": "https://github.com/advisories/GHSA-43hf-rrv4-hhf5"
    }
  }
}