CVE-2026-1977

MEDIUM 6.3

isaacwasserman mcp-vegalite-server visualize_data eval code injection

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-94 CWE-74
Vendor	isaacwasserman
Product	mcp-vegalite-server
Published	Feb 6, 2026
Last Updated	Feb 23, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

isaacwasserman / mcp-vegalite-server

16aefed598b8cd897b78e99b907f6e2984572c61

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 Lexpl0it (VulDB User)