Cursor CLI's Cursor Agent MCP OAuth2 Communication is Vulnerable to Remote Code Execution
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| cursor | cursor | affected |
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No data.
| Vendor | Product | Versions |
|---|---|---|
| Cursor | Cursor | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-32313 | Cursor is a code editor built for programming with AI. In versions 1.7 and below, when MCP uses OAuth authentication with an untrusted MCP server, an attacker can impersonate a malicious MCP server and return crafted, maliciously injected commands during the interaction process, leading to command injection and potential remote code execution. If chained with an untrusted MCP service via OAuth, this command injection vulnerability could allow arbitrary code execution on the host by the agent. This can then be used to directly compromise the system by executing malicious commands with full user privileges. This issue does not currently have a fixed release version, but there is a patch, 2025.09.17-25b418f. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 1.2% (1.159% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Anysphere
Anysphere cursor |
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| CPEs | cpe:2.3:a:anysphere:cursor:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Anysphere
Anysphere cursor |
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Cursor
Cursor cursor |
|
| Vendors & Products |
Cursor
Cursor cursor |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | Cursor is a code editor built for programming with AI. In versions 1.7 and below, when MCP uses OAuth authentication with an untrusted MCP server, an attacker can impersonate a malicious MCP server and return crafted, maliciously injected commands during the interaction process, leading to command injection and potential remote code execution. If chained with an untrusted MCP service via OAuth, this command injection vulnerability could allow arbitrary code execution on the host by the agent. This can then be used to directly compromise the system by executing malicious commands with full user privileges. This issue does not currently have a fixed release version, but there is a patch, 2025.09.17-25b418f. | |
| Title | Cursor CLI's Cursor Agent MCP OAuth2 Communication is Vulnerable to Remote Code Execution | |
| Weaknesses | CWE-78 | |
| References |
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| Metrics |
cvssV3_1
|