SecuriTricks - CVE-2025-7647

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.

Product(s) Impacted

Vendor	Product	Versions
Llama-index	Llama-index-core	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-378

Creation of Temporary File With Insecure Permissions

Opening temporary files without appropriate measures or controls can leave the file, its contents and any function that it impacts vulnerable to attack.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	llama-index	llama-index-core	/	/	/	/	/	/	/	/

References

https://github.com/run-llama/llama_index/commit/98816394d57c7f53f847ed7b60725e69d0e7aae4

https://huntr.com/bounties/a2baa08f-98bf-47a8-ac83-06f7411afd9e

CVSS Score

7.3 / 10

CVSS Data - 3.0

Attack Vector: LOCAL
Attack Complexity: LOW
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: LOW

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

View Vector String

Timeline

Published: Sept. 27, 2025, 5:15 p.m.
Last Modified: Sept. 27, 2025, 5:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security@huntr.dev

CVE-2025-7647