Unrated severityNVD Advisory· Published Jul 12, 2026· Updated Jul 14, 2026
LuCI DHCPv6 Lease Hostname Stored Cross-Site Scripting
CVE-2026-61876
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.
Affected products
1Patches
Vulnerability mechanics
References
2- github.com/openwrt/luci/security/advisories/GHSA-686p-p8p9-x6fhmitrevendor-advisory
- www.vulncheck.com/advisories/luci-dhcpv6-lease-hostname-stored-cross-site-scriptingmitrethird-party-advisory
News mentions
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