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.
CVE-2026-1977
Score 6.3 from GitHub Security Advisory published 2026-02-06. NVD baseline CVSS 6.3; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.3
- EG Score
- 6.3(medium)
- EPSS
- 13.5%
- KEV
- Not listed
Published
February 6, 2026
Last Modified
April 29, 2026
References (5)
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 41× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 101 total refreshes for this CVE.
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Related CVEs(same CWE)
Same CWE
10 shownCWE-74 · CWE-94
Frequently asked(5)
What is CVE-2026-1977?
When was CVE-2026-1977 disclosed?
Is CVE-2026-1977 actively exploited?
What is the CVSS score of CVE-2026-1977?
How do I remediate CVE-2026-1977?
Dependency Blast Radius
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