llama-index-core insecurely handles temporary files
High7.3CVE-2025-7647 · Published Sep 27, 2025 · updated Sep 10, 2026
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| llama-index-core PyPI | < 0.13.0 | 0.13.0 |
Details and references
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.
- CVSS 3.0
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
- Severity from
- GitHub (reviewed advisory)
- Weakness
- CWE-378
- Also known as
- CVE-2025-7647, PYSEC-2026-1562