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Medium 6.3Published Feb 5, 2026

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

Updated under an hour ago ()

Does this affect you?

It affects isaacwasserman mcp-vegalite-server. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE)
CWE-94, CWE-74
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulDB
NVD analysis
Deferred
Record last updated
Feb 23, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
isaacwasserman mcp-vegalite-server
isaacwasserman:mcp_vegalite_server (from the name)
16aefed598b8cd897b78e99b907f6e2984572c61
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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