Creation of Temporary File With Insecure Permissions Affecting nemo package, versions <2.4.1-r1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.02% (3rd percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-NEMO-13285593
  • published5 Oct 2025
  • disclosed27 Sept 2025

Introduced: 27 Sep 2025

NewCVE-2025-7647  (opens in a new tab)
CWE-378  (opens in a new tab)

How to fix?

Upgrade Chainguard nemo to version 2.4.1-r1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nemo package and not the nemo package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

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.