What is GHSA-8gvq-r3c7-vwmv?

GHSA-8gvq-r3c7-vwmv is a security advisory published by GitHub Security Advisories with Critical severity. LuCI versions fail to properly encode DHCPv6 lease hostnames before rendering in status tables,...

Which CVE IDs does GHSA-8gvq-r3c7-vwmv cover?

GHSA-8gvq-r3c7-vwmv covers the following CVE IDs: CVE-2026-61876. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8gvq-r3c7-vwmv?

GHSA-8gvq-r3c7-vwmv has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-8gvq-r3c7-vwmvCriticalCVSS 8.8

LuCI versions fail to properly encode DHCPv6 lease hostnames before rendering in status tables,...

Vendor

GitHub Security Advisories

Published

July 12, 2026

Last Modified

July 12, 2026

🔗 CVE IDs covered (1)

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.

🔗 References (4)

https://github.com/openwrt/luci/security/advisories/GHSA-686p-p8p9-x6fh
https://nvd.nist.gov/vuln/detail/CVE-2026-61876
https://www.vulncheck.com/advisories/luci-dhcpv6-lease-hostname-stored-cross-site-scripting
https://github.com/advisories/GHSA-8gvq-r3c7-vwmv