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CVE-2025-54133

Anysphere Cursor command injection

9.6 CRITICALEPSS 0.37%
  1. Published1 Aug 2025

Description

Cursor is a code editor built for programming with AI. In versions 1.17 through 1.2, there is a UI information disclosure vulnerability in Cursor's MCP (Model Context Protocol) deeplink handler, allowing attackers to execute 2-click arbitrary system commands through social engineering attacks. When users click malicious `cursor://anysphere.cursor-deeplink/mcp/install` links, the installation dialog does not show the arguments being passed to the command being run. If a user clicks a malicious deeplink, then examines the installation dialog and clicks through, the full command including the arguments will be executed on the machine. This is fixed in version 1.3.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

Anysphere Cursor≥ 1.1.7 < 1.3

Remediation

Fixed in
Anysphere Cursor≥ 1.3

References

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Frequently asked

Is CVE-2025-54133 being actively exploited?

CVE-2025-54133 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.37%.

How severe is CVE-2025-54133?

CVE-2025-54133 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 0.37% probability of exploitation.

Which products are affected by CVE-2025-54133?

Affected products include Anysphere Cursor.

How do I fix CVE-2025-54133?

Upgrade affected software to a fixed version, for example Anysphere Cursor 1.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-54133 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.