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Vulnerability record · CVE-2025-7707 · published 13 October 2025

CVE-2025-7707: Llamaindex vulnerability

LLlamaindex · Llamaindex

The llama_index library version 0.12.33 sets the NLTK data directory to a subdirectory of the codebase by default, which is world-writable in multi-user environments. This configuration allows local users to overwrite, delete, or corrupt NLTK data files, leading to potential denial of service, data tampering, or privilege escalation. The vulnerability arises from the use of a shared cache directory instead of a user-specific one, making it susceptible to local data tampering and denial of service.

7.8 CVSS 3.1 High EPSS 0.19% · top 92.6% CWE-377 · CWE-377
7.8CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

The llama_index library version 0.12.33 sets the NLTK data directory to a subdirectory of the codebase by default, which is world-writable in multi-user environments. This configuration allows local users to overwrite, delete, or corrupt NLTK data files, leading to potential denial of service, data tampering, or privilege escalation. The vulnerability arises from the use of a shared cache directory instead of a user-specific one, making it susceptible to local data tampering and denial of service.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/run-llama/llama_index/commit/98816394d57c7f53f847ed7b60725e69d0e7aae4 Patch
https://huntr.com/bounties/3fe2c8ab-6727-4aef-a0ef-4d2818e48803 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-1793Llamaindex sql injection vulnerabilityMultiple vector store integrations in run-llama/llama_index version v0.12.21 have SQL injection vulnerabilities. These vulnerabilities allow an attac…EPSS 0.66%9.8CVE-2025-1750Llamaindex sql injection vulnerabilityAn SQL injection vulnerability exists in the delete function of DuckDBVectorStore in run-llama/llama_index version v0.12.19. This vulnerability allow…EPSS 0.82%9.8CVE-2024-12909Llamaindex sql injection vulnerabilityA vulnerability in the FinanceChatLlamaPack of the run-llama/llama_index repository, versions up to v0.12.3, allows for SQL injection in the `run_sql…EPSS 1.4%9.8CVE-2024-11958Llamaindex sql injection vulnerabilityA SQL injection vulnerability exists in the `duckdb_retriever` component of the run-llama/llama_index repository, specifically in the latest version.…EPSS 1.4%9.8CVE-2024-3271Llamaindex command injection vulnerabilityA command injection vulnerability exists in the run-llama/llama_index repository, specifically within the safe_eval function. Attackers can bypass th…EPSS 2.9%9.8CVE-2024-23751Llamaindex sql injection vulnerabilityLlamaIndex (aka llama_index) through 0.9.34 allows SQL injection via the Text-to-SQL feature in NLSQLTableQueryEngine, SQLTableRetrieverQueryEngine, …EPSS 0.66%8.8CVE-2024-45201Llamaindex code injection vulnerabilityAn issue was discovered in llama_index before 0.10.38. download/integration.py includes an exec call for import {cls_name}.EPSS 0.53%8.8CVE-2024-4181Llamaindex code injection vulnerabilityA command injection vulnerability exists in the RunGptLLM class of the llama_index library, version 0.9.47, used by the RunGpt framework from JinaAI …EPSS 2.1%

Source: NIST National Vulnerability Database (record CVE-2025-7707), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.