CVE-2026-55797

{
  "etk_id": "ETK-2026-901",
  "cve_id": "CVE-2026-55797",
  "display_id": "CVE-2026-55797",
  "ghsa_id": "GHSA-j6cw-g6p4-7hch",
  "euvd_id": "EUVD-2026-95912",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Command injection in Argo CD repo-server SSH proxy handling",
  "summary": "Argo CD repo-server may execute attacker-controlled commands while connecting to an SSH Git repository that uses a proxy. An attacker must be able to create or modify a repository or repository credential template and configure a proxy for an SSH repository; executed commands may access credentials available to the repo-server.",
  "mitigation": "Upgrade github.com/argoproj/argo-cd/v3 to 3.3.15, 3.4.10, 3.5.4, 3.6.0-rc2 or later.",
  "vendor": "go",
  "product": "go:github.com/argoproj/argo-cd/v2",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 2.11.0"
      ],
      "ecosystem": "go",
      "fixed_versions": [],
      "package_name": "github.com/argoproj/argo-cd/v2",
      "purl": "pkg:golang/github.com/argoproj/argo-cd/v2"
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 3.0.0, < 3.3.15",
        ">= 3.4.0, < 3.4.10",
        ">= 3.5.0, < 3.5.4",
        "= 3.6.0-rc1"
      ],
      "ecosystem": "go",
      "fixed_versions": [
        "3.3.15",
        "3.4.10",
        "3.5.4",
        "3.6.0-rc2"
      ],
      "package_name": "github.com/argoproj/argo-cd/v3",
      "purl": "pkg:golang/github.com/argoproj/argo-cd/v3"
    }
  ],
  "cwes": [
    78
  ],
  "cvss_score": 8.8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": 0.0155,
  "epss_percentile": 0.747,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 35.38229128333333,
  "t0_at": "2026-10-09T16:43:35.954000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-07T15:58:47+00:00",
      "days": -2.031122152777778,
      "is_lower_bound": false,
      "measured_at": "2026-10-09T16:43:35.954000+00:00",
      "url": "https://github.com/argoproj/argo-cd/security/advisories/GHSA-j6cw-g6p4-7hch"
    }
  }
}