CVE-2025-7647 HIGH

CVE-2025-7647: Insecure Temporary File Handling in run-llama/llama_index

Vendor Run-Llama
Product run-llama/llama_index
Weakness CWE-378
Published September 27, 2025
Last update September 29, 2025

CVSS base score

7.3/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

The llama-index-core package, up to version 0.12.44, contains a vulnerability in the `get_cache_dir()` function where a predictable, hardcoded directory path `/tmp/llama_index` is used on Linux systems without proper security controls. This vulnerability allows attackers on multi-user systems to steal proprietary models, poison cached embeddings, or conduct symlink attacks. The issue affects all Linux deployments where multiple users share the same system. The vulnerability is classified under CWE-379, CWE-377, and CWE-367, indicating insecure temporary file creation and potential race conditions.

Key dates

02Disclosure timeline

September 27, 2025 CVE published
September 29, 2025 Record updated