Vulnerability · Published Sep 27, 2025 · Assigned by @huntr_ai
CVE-2025-7647Insecure Temporary File Handling in run-llama/llama_index
High 7.3
In plain English
A high-severity security flaw in run-llama/llama_index from run-llama. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | llama-index-core | 0.13.0 | GHSA-cr7q-2w66-hjcm |
| PyPI | llama-index-core | 0.13.0 | PYSEC-2026-1562 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| run-llama | run-llama/llama_index | unspecified – before v0.13.0 |
Weakness: CWE-378 · Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L