What’s Vulnerable › Vulnerabilities

CVE-2026-1977: isaacwasserman mcp-vegalite-server visualize_data eval code injection

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-06 · updated 2026-06-17
• Weakness: CWE-74

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.

Affected products

• isaacwasserman mcp-vegalite-server: 16aefed598b8cd897b78e99b907f6e2984572c61

References

• https://github.com/isaacwasserman/mcp-vegalite-server/
• https://github.com/isaacwasserman/mcp-vegalite-server/issues/9
• https://vuldb.com/?ctiid.344499
• https://vuldb.com/?id.344499
• https://vuldb.com/?submit.743246

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