CVE-2026-73217: Sandbox escape vulnerability in Cursor IDE
Cursor
Cursor IDE for macOS allows an agent running in Auto-Run Sandbox mode to replace a Python executable with a malicious wrapper invoked outside the sandbox. This vulnerability enables arbitrary host command execution with user privileges.
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 63% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 11 Aug 2026
- last update
- 11 Aug 2026
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2026-08-11CVE-2026-73217: Cursor is a code editor built for programming with AI.NVD · nvd.nist.gov/vuln/detail/CVE-2026-73217
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 vulnerabilityAgent hijack
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply ChainLLM06:2025 Excessive Agency
- mitre atlas
- AML.T0053 AI Agent Tool Invocation
- dates
- happened 11 Aug 2026 · first reported 11 Aug 2026
- origin
- NVDVulnerability 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
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the brief as text
# CVE-2026-73217: Sandbox escape vulnerability in Cursor IDE https://gcdradar.vercel.app/incidents/cve-2026-73217-sandbox-escape-vulnerability-in-cursor-ide · AIR-2026-1275 · 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-2026-73217 - CVSS: 7.7 ## Summary Cursor IDE for macOS allows an agent running in Auto-Run Sandbox mode to replace a Python executable with a malicious wrapper invoked outside the sandbox. This vulnerability enables arbitrary host command execution with user privileges. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-08-11: CVE-2026-73217: Cursor is a code editor built for programming with AI. (https://nvd.nist.gov/vuln/detail/CVE-2026-73217) ## Sources - 2026-08-11 NVD: CVE-2026-73217: Cursor is a code editor built for programming with AI. https://nvd.nist.gov/vuln/detail/CVE-2026-73217 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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