Vulnerabilities CVE-2026-61876

CVE-2026-61876

Critical

Open

TLP:CLEAR

LuCI DHCPv6 Lease Hostname Stored Cross-Site Scripting

NVD CVE.org

AI Analysis

No AI analysis yet.

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.

Details

CVSS Score: 9.4
EPSS Score ⓘ: 0.20%

10.1th percentile
CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Confidence: 90%
Published: Jul 12, 2026
Last Modified: Jul 14, 2026

Notes

No notes yet. Click "Add Note" to create the first analysis note.

Opinions

No opinions yet. Be the first to assess this intelligence.