{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.23.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "c26c6a1b9734c5089217986ffa5cd19f8a6b8900"
            },
            {
              "fixed": "981d5f95ad7b64f834c46b7ac244d524644fbb46"
            }
          ],
          "repo": "https://github.com/kopia/kopia",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-2q4c-3mrw-63c3"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-306",
      "CWE-78"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45695.json"
  },
  "details": "Kopia is a cross-platform backup tool for Windows, macOS, and Linux with fast incremental backups, client-side end-to-end encryption, compression, and data deduplication. Prior to 0.23.0, Kopia's HTTP server started with --without-password accepts unauthenticated requests to /api/v1/repo/exists and forwards attacker-supplied SFTP storage configuration to blob.NewStorage, where externalSSH: true and sshArguments containing -oProxyCommand=\u003ccmd\u003e can cause exec.CommandContext(\"ssh\") to invoke the command through OpenSSH. This issue is fixed in version 0.23.0.",
  "id": "CVE-2026-45695",
  "modified": "2026-07-18T03:41:52.643450860Z",
  "published": "2026-07-16T15:42:31.795Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/kopia/kopia/releases/tag/v0.23.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45695.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/kopia/kopia/security/advisories/GHSA-2q4c-3mrw-63c3"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45695"
    },
    {
      "type": "FIX",
      "url": "https://github.com/kopia/kopia/commit/c26c6a1b9734c5089217986ffa5cd19f8a6b8900"
    },
    {
      "type": "FIX",
      "url": "https://github.com/kopia/kopia/pull/5354"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Kopia: Unauthenticated RCE via SSH ProxyCommand Injection when --insecure --without-password is used"
}