CVE-2025-3046: llamaindex Path Traversal

Description

A vulnerability in the `ObsidianReader` class of 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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
llamaindex	llamaindex	0.12.23 — 0.12.28

References

Advisories & Patches

https://github.com/run-llama/llama_index/commit/0008041e8dde8e519621388e5d6f558bde6ef42e

Exploits

https://huntr.com/bounties/90a1f1b2-bb82-4d66-9fc1-856ed5f904da https://huntr.com/bounties/90a1f1b2-bb82-4d66-9fc1-856ed5f904da

Frequently Asked Questions

What is CVE-2025-3046? +

A vulnerability in the `ObsidianReader` class of 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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-3046? +

CVE-2025-3046 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-3046? +

CVE-2025-3046 affects products from llamaindex, specifically: llamaindex. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-3046? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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