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CVE-2025-61589— Cursor: Potential Information Leakage via Mermaid Diagram

Quick assessment

Affected
cursor cursor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cursor是Cursor开源的一个 AI 代码编辑器。 Cursor 1.6及之前版本存在信息泄露漏洞，该漏洞源于Mermaid允许嵌入图像，可能导致敏感信息泄露。

CVSS 5.9 · Medium EPSS 0.29% · P22
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I. Basic Information for CVE-2025-61589

Vulnerability Information
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Vulnerability Title
Cursor: Potential Information Leakage via Mermaid Diagram
Source: CVE Program / CVE List V5
Vulnerability Description
Cursor is a code editor built for programming with AI. In versions 1.6 and below, Mermaid (a to render diagrams) allows embedding images which then get rendered by Cursor in the chat box. An attacker can use this to exfiltrate sensitive information to a third-party attacker controlled server through an image fetch after successfully performing a prompt injection. A malicious model (or hallucination/backdoor) might also trigger this exploit at will. This issue requires prompt injection from malicious data (web, image upload, source code) in order to exploit. In that case, it can send sensitive information to an attacker-controlled external server. Some additional bypasses not covered in the initial fix to this issue were discovered, see GHSA-43wj-mwcc-x93p. This issue is fixed in version 1.7.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Cursor 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cursor是Cursor开源的一个 AI 代码编辑器。 Cursor 1.6及之前版本存在信息泄露漏洞，该漏洞源于Mermaid允许嵌入图像，可能导致敏感信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
cursor cursor < 1.7 -

II. Public POCs for CVE-2025-61589

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III. Intelligence Information for CVE-2025-61589

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Same Patch Batch · cursor · 2025-10-03 · 6 CVEs total

CVE-2025-61591 8.8 HIGH Cursor CLI's Cursor Agent MCP OAuth2 Communication is Vulnerable to Remote Code Execution
CVE-2025-61592 8.8 HIGH Cursor CLI: Arbitrary Code Execution Possible through Permissive CLI Config
CVE-2025-59944 8.1 HIGH Cursor IDE: Sensitive File Overwrite Bypass is Possible
CVE-2025-61590 7.5 HIGH Cursor is vulnerable to RCE via .code-workspace files using Prompt Injection
CVE-2025-61593 7.1 HIGH Cursor CLI Agent: Sensitive File Overwrite Bypass

IV. Related Vulnerabilities

Same product: cursor
Same vendor: cursor
Same weakness: CWE-200

V. Comments for CVE-2025-61589

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