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archive/Patch now/AIR-2025-0355
closedclosed 13 Oct 2025Patch now2 Disclosed vulnerabilityAI

CVE-2025-7707: llama-index Insecure Temporary File Vulnerability

llama-index

The llama-index library sets the NLTK data directory to a world-writable path by default, enabling local data tampering or denial of service. A patch has been released to address the issue.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
7.1
EPSS
<0.01 · top 92% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
13 Oct 2025
last update
13 Oct 2025
CVE ids
CVE-2025-7707other records

Timeline · 1

  1. 13 Oct 2025CVE-2025-7707: llama-index has Insecure Temporary File

Sources · 1

Advisories and databases

  1. 2025-10-13
    CVE-2025-7707: llama-index has Insecure Temporary File
    GitHub Advisory Database · github.com/advisories/GHSA-rg9h-vx28-xxp5

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
insecure-temp-file
dates
happened 13 Oct 2025 · first reported 13 Oct 2025
origin
GitHub Advisory Database
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 07:00Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2025-7707: llama-index Insecure Temporary File Vulnerability

https://gcdradar.vercel.app/incidents/cve-2025-7707-llama-index-insecure-temporary-file-vulnerabil · AIR-2025-0355 · closed 2025-10-13

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2025-10-13
- AI role: Attack on AI
- Products: llama-index
- CVE ids: CVE-2025-7707
- CVSS: 7.1

## Summary

The llama-index library sets the NLTK data directory to a world-writable path by default, enabling local data tampering or denial of service. A patch has been released to address the issue.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2025-10-13: CVE-2025-7707: llama-index has Insecure Temporary File (https://github.com/advisories/GHSA-rg9h-vx28-xxp5)

## Sources

- 2025-10-13 GitHub Advisory Database: CVE-2025-7707: llama-index has Insecure Temporary File https://github.com/advisories/GHSA-rg9h-vx28-xxp5

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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