CVE-2026-86550: ZTE Nebulaos

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

NuBrowser lacks protocol whitelist validation for the S.browser_fallback_url field of intent://, allowing attackers to inject javascript: URLs via 302 redirects. This results in a universal cross‑site scripting (UXSS) vulnerability that enables script execution within the origin of arbitrary websites.

Affected products

• ZTE Nebulaos

Published 2026-09-08. Last modified 2026-09-09.