Skip to content
LlamaIndexGHSA-cr7q-2w66-hjcm

llama-index-core insecurely handles temporary files

High7.3CVE-2025-7647 · Published Sep 27, 2025 · updated Sep 10, 2026

GitHub advisory

Affected versions

PackageAffectedFixed in
llama-index-core
PyPI
< 0.13.00.13.0
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

More LlamaIndex advisories

All LlamaIndex

Critical advisories by email

Wednesdays: the week’s critical and high advisories in the AI and data stack, with the fixed versions. Only in weeks that have some.

Double opt-in. Unsubscribe any time.