Critical 9.6Published May 28, 2026

CVE-2026-45323MeshCore Card: XSS vulnerability through meshcore node name

Updated under an hour ago (Oct 26, 2026, 2:30 PM ET)

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It affects jpettitt meshcore-card. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for jpettitt meshcore-card

Exploited in the last 30 days

MeshCore Card provides MeshCore Lovelace card for Home Assistant. Prior to 0.3.3, Meshcore node names are rendered without HTML escaping in meshcore-card, allowing any node within direct or indirect (repeated) radio range to execute arbitrary javascript in the Home Assistant frontend of anyone viewing the card. This vulnerability is fixed in 0.3.3.

CVSS: 9.6 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: May 29, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

jpettitt meshcore-card jpettitt:meshcore_card (from the name)	before 0.3.3	CNA record
jpettitt meshcore_card jpettitt:meshcore_card	before 0.3.3	NVD

References

References

https://github.com/jpettitt/meshcore-card/security/advisories/GHSA-5vrg-xpcj-xppc	x-refsource-confirm, exploit, mitigation, vendor-advisory

The CVE record on cve.org NVD's entry

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.