ghsa-3j8r-jf9w-5cmh
Vulnerability from github
Published
2025-07-07 12:30
Modified
2025-07-08 18:15
Severity ?
6.2 (Medium) - CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
LlamaIndex vulnerability in its ObsidianReader class can lead to Path Traversal exploit
Details

A vulnerability in the ObsidianReader class of the run-llama/llama_index repository, before version 0.5.2 (specifically in version 0.12.27 of llama-index), allows for hardlink-based path traversal. This flaw permits attackers to bypass path restrictions and access sensitive system files, such as /etc/passwd, by exploiting hardlinks. The vulnerability arises from inadequate handling of hardlinks in the load_data() method, where the security checks fail to differentiate between real files and hardlinks. This issue is resolved in llama-index-readers-obsidian version 0.5.2.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "llama-index-readers-obsidian"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-6210"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-07-08T18:15:37Z",
    "nvd_published_at": "2025-07-07T10:15:29Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability in the ObsidianReader class of the run-llama/llama_index repository, before version 0.5.2 (specifically in version 0.12.27 of llama-index), allows for hardlink-based path traversal. This flaw permits attackers to bypass path restrictions and access sensitive system files, such as /etc/passwd, by exploiting hardlinks. The vulnerability arises from inadequate handling of hardlinks in the load_data() method, where the security checks fail to differentiate between real files and hardlinks. This issue is resolved in llama-index-readers-obsidian version 0.5.2.",
  "id": "GHSA-3j8r-jf9w-5cmh",
  "modified": "2025-07-08T18:15:37Z",
  "published": "2025-07-07T12:30:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-6210"
    },
    {
      "type": "WEB",
      "url": "https://github.com/run-llama/llama_index/commit/a86c96ae0e662492eeb471b658ae849a93f628ff"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/run-llama/llama_index"
    },
    {
      "type": "WEB",
      "url": "https://huntr.com/bounties/a654b322-a509-4448-a1f5-0f22850b4687"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "LlamaIndex vulnerability in its ObsidianReader class can lead to Path Traversal exploit"
}


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