7.5

CVSS Score

3.0

-

CVSS Score

Basic Information

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CVE-2025-3046

CVE-2025-3046: LlamaIndex is vulnerable to Path Traversal attack through its ObsidianReader class

A vulnerability in the ObsidianReader class in LlamaIndex Readers Integration: Obsidian before version 0.5.1 from the run-llama/llama_index repository (versions 0.12.23 to 0.12.28) allows for arbitrary file read through symbolic links. The ObsidianReader fails to resolve symlinks to their real paths and does not validate whether the resolved paths lie within the intended directory. This flaw enables attackers to place symlinks pointing to files outside the vault directory, which are then processed as valid Markdown files, potentially exposing sensitive information.

(GitHub Advisory)

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CVE-2025-3046

CVE-2025-3046:

7.5

CVSS Score

3.0

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
llama-index-readers-obsidian	pip	< 0.5.1	0.5.1

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The analysis of the provided commits clearly indicates that the load_data method within the ObsidianReader class was the source of the path traversal vulnerability. The commit 266eb3b3a61f158112726d75a5f5f0b90e34ded0, titled 'fix: prevent path traversal from symlinks', directly modifies this function to remediate the flaw. The core of the vulnerability was that the function would follow symbolic links without validating whether the linked file was inside the intended project directory. The patch introduces two key changes: first, it sets followlinks=False in the os.walk call to prevent traversing into symlinked directories. Second, it adds a path validation step that resolves the absolute path of each file and checks if it starts with the absolute path of the vault's input directory. This ensures that even if a symlink were to be processed, the file it points to would be ignored if it resides outside the vault. The vulnerability is a classic path traversal, and the fix is a standard and effective mitigation for this type of issue.

Vulnerable functions

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Vulnerability Intelligence
Miggo AI

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WAF Protection Rules

WAF Rule

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Reasoning

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