VULNERABILITY INTELLIGENCE
CVE-2026-61876
CVSS score8.8 HIGH
EPSS probability1.62%
CISA KEVNot currently listed
Published2026-07-12
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Description
LuCI versions fail to properly encode DHCPv6 lease hostnames before rendering in status tables, allowing adjacent network attackers to inject HTML markup. Attackers can send a DHCPv6 Client FQDN containing script tags that execute in the administrator's browser when viewing DHCP lease pages.
Weakness classification
- disclosure@vulncheck.com: CWE-79