Windsurf up to 1.9544.26 MCP information disclosure

Summaryinfo

A vulnerability was found in Windsurf up to 1.9544.26. It has been rated as problematic. This issue affects some unknown processing of the component MCP Handler. Performing a manipulation results in information disclosure. This vulnerability is known as CVE-2026-30615. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Windsurf up to 1.9544.26. This affects an unknown function of the component MCP Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

A prompt injection vulnerability in Windsurf 1.9544.26 allows remote attackers to execute arbitrary commands on a victim system. When Windsurf processes attacker-controlled HTML content, malicious instructions can cause unauthorized modification of the local MCP configuration and automatic registration of a malicious MCP STDIO server, resulting in execution of arbitrary commands without further user interaction. Successful exploitation may allow attackers to execute commands on behalf of the user, persist malicious MCP configuration changes, and access sensitive information exposed through the application.

It is possible to read the advisory at ox.security. This vulnerability is uniquely identified as CVE-2026-30615 since 03/04/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• Windsurf

Version

• 1.9544.0
• 1.9544.1
• 1.9544.2
• 1.9544.3
• 1.9544.4
• 1.9544.5
• 1.9544.6
• 1.9544.7
• 1.9544.8
• 1.9544.9
• 1.9544.10
• 1.9544.11
• 1.9544.12
• 1.9544.13
• 1.9544.14
• 1.9544.15
• 1.9544.16
• 1.9544.17
• 1.9544.18
• 1.9544.19
• 1.9544.20
• 1.9544.21
• 1.9544.22
• 1.9544.23
• 1.9544.24
• 1.9544.25
• 1.9544.26

CPE 2.3info

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CPE 2.2info

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