gcdRadar
archive/Patch now/AIR-2026-1274
closedclosed 11 Aug 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-73218: Cursor IDE Sandbox Escape and Host Command Execution

Cursor

Cursor IDE for macOS prior to version 3.0.0 allows an agent in Auto-Run Sandbox mode to mount virtiofs0 and gain host command execution. The flaw grants read and write access to the user's home directory.

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
7.7
EPSS
0.01 · top 49% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
11 Aug 2026
last update
11 Aug 2026
CVE ids
CVE-2026-73218other records

Timeline · 1

  1. 11 Aug 2026CVE-2026-73218: Cursor is a code editor built for programming with AI.

Sources · 1

Advisories and databases

  1. 2026-08-11
    CVE-2026-73218: Cursor is a code editor built for programming with AI.
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-73218

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
sandbox-escapecursor
dates
happened 11 Aug 2026 · first reported 11 Aug 2026
origin
NVD
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 10:04Z · updated 2026-10-18 10:04Z

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-2026-73218: Cursor IDE Sandbox Escape and Host Command Execution

https://gcdradar.vercel.app/incidents/cve-2026-73218-cursor-ide-sandbox-escape-and-host-command-ex · AIR-2026-1274 · closed 2026-08-11

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-08-11
- AI role: Attack on AI
- Products: Cursor
- CVE ids: CVE-2026-73218
- CVSS: 7.7

## Summary

Cursor IDE for macOS prior to version 3.0.0 allows an agent in Auto-Run Sandbox mode to mount virtiofs0 and gain host command execution. The flaw grants read and write access to the user's home directory.

## What to do

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

## Latest updates

- 2026-08-11: CVE-2026-73218: Cursor is a code editor built for programming with AI. (https://nvd.nist.gov/vuln/detail/CVE-2026-73218)

## Sources

- 2026-08-11 NVD: CVE-2026-73218: Cursor is a code editor built for programming with AI. https://nvd.nist.gov/vuln/detail/CVE-2026-73218

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

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