Security advisory

{
  "id": "993af421e4b84be171c5371e9437989d793a3f1fafe47af06d9c2a3ccc64fb8f",
  "url": "https://osv.dev/vulnerability/CVE-2026-13745",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-13745",
    "summary": "A vulnerability in the Gemini CLI prior to version 0.39.1 allows attackers to achieve arbitrary code execution by tricking a victim into starting the CLI within an untrusted directory. The vulnerability is triggered via untrusted .env files overriding GEMINI_CLI_HOME to load malicious configuration files and bypass folder trust prompts.",
    "evidence": "osv:CVE-2026-13745",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-13745",
      "aliases": [
        "CVE-2026-13745"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/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:Amber"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/google-gemini/gemini-cli",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4d73f3413949ae5c638804c5eac27a9bcd0567ca"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.39.1"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "range": [
                      {
                        "fixed": "4d73f3413949ae5c638804c5eac27a9bcd0567ca"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.39.1"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.39.0",
            "v0.39.0-preview.2",
            "v0.39.0-preview.1",
            "v0.39.0-preview.0",
            "v0.1.12",
            "v0.1.9-nightly.250705.e90e0015",
            "MK_TAG_TEST",
            "v0.1.9+nightly.040725.ef736f0d",
            "v0.1.9+nightly.040725.adc63e68",
            "v0.1.9+nightly.040725.d43ea268",
            "v0.1.9",
            "v0.1.8",
            "v0.1.7",
            "v0.1.6",
            "latest",
            "early-access"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-13745.json"
          }
        }
      ],
      "modified": "2026-10-20T11:18:36.149613126Z",
      "provider": "osv",
      "references": [
        "https://github.com/google-gemini/gemini-cli/releases/tag/v0.39.1",
        "https://www.pwned.info/articles/homing-in-on-arbitrary-code-execution-within-gemini-cli/",
        "https://www.redguard.ch/blog/2026/06/03/advisory-google-gemini-cli/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2026-13745",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387165,
  "published_at": "2026-09-10T09:17:00.703+00:00"
}