CVE-2025-6210
Hardlink-Based Path Traversal in run-llama/llama_index
Description
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.
INFO
Published Date :
July 7, 2025, 10:15 a.m.
Last Modified :
July 30, 2025, 8:01 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.0 | MEDIUM | [email protected] |
Solution
- Update the llama_index library to version 0.5.2.
- Review and sanitize all file path inputs carefully.
- Avoid using hardlinks to sensitive system files.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-6210.
| URL | Resource |
|---|---|
| https://github.com/run-llama/llama_index/commit/a86c96ae0e662492eeb471b658ae849a93f628ff | Patch |
| https://huntr.com/bounties/a654b322-a509-4448-a1f5-0f22850b4687 | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-6210 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-6210
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-6210 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-6210 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 30, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:llamaindex:llamaindex:*:*:*:*:*:*:*:* versions up to (excluding) 0.5.2 Added Reference Type huntr.dev: https://github.com/run-llama/llama_index/commit/a86c96ae0e662492eeb471b658ae849a93f628ff Types: Patch Added Reference Type huntr.dev: https://huntr.com/bounties/a654b322-a509-4448-a1f5-0f22850b4687 Types: Exploit, Third Party Advisory -
New CVE Received by [email protected]
Jul. 07, 2025
Action Type Old Value New Value Added Description 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. Added CVSS V3 AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CWE CWE-22 Added Reference https://github.com/run-llama/llama_index/commit/a86c96ae0e662492eeb471b658ae849a93f628ff Added Reference https://huntr.com/bounties/a654b322-a509-4448-a1f5-0f22850b4687