CVE-2026-1977
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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2Tags
Description
A security vulnerability has been detected in isaacwasserman mcp-vegalite-server up to 16aefed598b8cd897b78e99b907f6e2984572c61. Affected by this vulnerability is the function eval of the component visualize_data. Such manipulation of the argument vegalite_specification leads to code injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The project was informed of the problem early through an issue report but has not responded yet.
Analysis
Unauthenticated code injection in isaacwasserman mcp-vegalite-server's visualize_data function allows remote attackers with valid credentials to execute arbitrary code by manipulating the vegalite_specification parameter. Public exploit code exists for this vulnerability. …
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Remediation
Within 30 days: Identify affected systems running isaacwasserman mcp-vegalite-server and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.
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