{"id":"CVE-2025-6210","aliases":["GHSA-3j8r-jf9w-5cmh","PYSEC-2025-252","PYSEC-2026-1567"],"url":"https://o3.security/vulnerability/CVE-2025-6210","summary":"Hardlink-Based Path Traversal in run-llama/llama_index","details":"A vulnerability in the ObsidianReader class of the run-llama/llama_index repository, specifically in version 0.12.27, 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 version 0.5.2.","published":"2025-07-07T09:55:46.893Z","modified":"2026-08-12T03:51:30.724719716Z","cvss":{"score":6.2,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"llama-index-readers-obsidian","fixedVersion":"0.5.2"}],"fix":{"url":"https://github.com/run-llama/llama_index/commit/a86c96ae0e662492eeb471b658ae849a93f628ff","label":"run-llama/llama_index@a86c96a"},"references":[{"type":"WEB","url":"https://huntr.com/bounties/a654b322-a509-4448-a1f5-0f22850b4687"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6210.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6210"},{"type":"FIX","url":"https://github.com/run-llama/llama_index/commit/a86c96ae0e662492eeb471b658ae849a93f628ff"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:30.724719716Z"}}