CVE-2026-102503

{
  "etk_id": "ETK-2026-2029",
  "cve_id": "CVE-2026-102503",
  "display_id": "CVE-2026-102503",
  "ghsa_id": "GHSA-vc9x-qg3j-cxg6",
  "euvd_id": "EUVD-2026-104049",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Missing authentication in Google SAM libp2p HTTP ingress",
  "summary": "Google SAM versions 0.1.0-alpha.1 through 0.1.0-alpha.2 do not apply the intended access checks on the libp2p HTTP ingress path. A remote libp2p peer that can reach that ingress may access registered backend services without the required Biscuit capability or mesh enrollment validation.",
  "mitigation": "Upgrade Google SAM to version 0.1.0-alpha.3 or later. Until upgraded, restrict network reachability to the libp2p HTTP ingress to trusted peers.",
  "vendor": "Google",
  "product": "SAM",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0.1.0-alpha.1, < 0.1.0-alpha.3"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "0.1.0-alpha.3"
      ],
      "package_name": "github.com/google/sam",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 9.3,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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": 0.0035,
  "epss_percentile": 0.2695,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "assessed",
  "exploit": false,
  "pipeline_minutes": 37.03528888333334,
  "t0_at": "2026-10-19T02:20:35.753000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-19T04:24:48.533231+00:00",
      "days": 0.08625903045138889,
      "is_lower_bound": false,
      "measured_at": "2026-10-19T02:20:35.753000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-19T02:20:35.753000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-19T02:20:35.753000+00:00",
      "url": "https://github.com/advisories/GHSA-vc9x-qg3j-cxg6"
    }
  }
}