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CVE-2025-6210— Hardlink-Based Path Traversal in run-llama/llama_index

Quick assessment

Affected
run-llama run-llama/llama_index
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LlamaIndex是LlamaIndex开源的一个 LLM 应用程序的数据框架。 LlamaIndex 0.12.27版本存在路径遍历漏洞，该漏洞源于ObsidianReader类中硬链接处理不当，可能导致路径遍历攻击。

AI Predicted 8.1 Difficulty: Easy EPSS 0.31% · P22
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I. Basic Information for CVE-2025-6210

Vulnerability Information
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Vulnerability Title
Hardlink-Based Path Traversal in run-llama/llama_index
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
LlamaIndex 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LlamaIndex是LlamaIndex开源的一个 LLM 应用程序的数据框架。 LlamaIndex 0.12.27版本存在路径遍历漏洞，该漏洞源于ObsidianReader类中硬链接处理不当，可能导致路径遍历攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
run-llama run-llama/llama_index unspecified ~ 0.5.2 -

II. Public POCs for CVE-2025-6210

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III. Intelligence Information for CVE-2025-6210

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Vendor Advisories for CVE-2025-6210 (1)

Same Patch Batch · run-llama · 2025-07-07 · 6 CVEs total

CVE-2025-6209 Arbitrary File Read through Path Traversal in run-llama/llama_index
CVE-2025-3044 MD5 Hash Collision in run-llama/llama_index
CVE-2025-3225 XML Entity Expansion vulnerability in run-llama/llama_index
CVE-2025-3046 Path Traversal via Symbolic Links in run-llama/llama_index
CVE-2025-5472 Denial of Service via Uncontrolled Recursive JSON Parsing in JSONReader in run-llama/llama

IV. Related Vulnerabilities

Same product: run-llama/llama_index
Same vendor: run-llama
Same weakness: CWE-22

V. Comments for CVE-2025-6210

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