CVE-2025-6210

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.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

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

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/run-llama/llama_index/commit/a86c96ae0e662492eeb471b658ae849a93f628ff	Patch
https://huntr.com/bounties/a654b322-a509-4448-a1f5-0f22850b4687	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:llamaindex:llamaindex:*:*:*:*:*:*:*:*

History

18 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad en la clase ObsidianReader del repositorio run-llama/llama_index, específicamente en la versión 0.12.27, permite un salto de ruta basado en enlaces duros. Esta falla permite a los atacantes eludir las restricciones de ruta y acceder a archivos sensibles del sistema, como /etc/p4ssd, explotando enlaces duros. La vulnerabilidad surge de un manejo inadecuado de los enlaces duros en el método load_data(), donde las comprobaciones de seguridad no logran diferenciar entre archivos reales y enlaces duros. Este problema se resuelve en la versión 0.5.2.

Information

Published : 2025-07-07 10:15

Updated : 2026-10-18 21:10

NVD link : CVE-2025-6210

Mitre link : CVE-2025-6210

CVE.ORG link : CVE-2025-6210

JSON object : View

Products Affected

llamaindex

llamaindex

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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