CVE-2026-1977CWE-74CWE-94

isaacwasserman mcp-vegalite-server visualize_data eval code injection

Medium · published February 6, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
17.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00267 · 17.8th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-02-06T03:32Z
EPSS history
Timeline
  • 06 FEB 03:32Z
    isaacwasserman mcp-vegalite-server visualize_data eval code injection
    cvelistv5