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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.

PUBLISHED Reserved 2026-02-05 | Published 2026-02-06 | Updated 2026-02-23 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Code Injection

Injection

Product status

16aefed598b8cd897b78e99b907f6e2984572c61
affected

Timeline

2026-02-05:Advisory disclosed
2026-02-05:VulDB entry created
2026-02-07:VulDB entry last update

Credits

Lexpl0it (VulDB User) reporter

References

vuldb.com/?id.344499 (VDB-344499 | isaacwasserman mcp-vegalite-server visualize_data eval code injection) vdb-entry technical-description

vuldb.com/?ctiid.344499 (VDB-344499 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.743246 (Submit #743246 | GitHub mcp-vegalite-server master Code Injection) third-party-advisory

github.com/isaacwasserman/mcp-vegalite-server/issues/9 exploit issue-tracking

github.com/isaacwasserman/mcp-vegalite-server/ product

cve.org (CVE-2026-1977)

nvd.nist.gov (CVE-2026-1977)

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