PT-2026-1308 · Ubiquiti · Unifi Protect Application

Published 2025-11-26 · Updated 2026-02-27 · CVE-2026-21633

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions UniFi Protect Application versions 6.1.79 and earlier

Description A malicious actor with access to the adjacent network could obtain unauthorized access to a UniFi Protect Camera by exploiting a discovery protocol vulnerability in the Unifi Protect Application.

Recommendations Update your UniFi Protect Application to Version 6.2.72 or later.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2026-06152

CVE-2026-21633

ZDI-26-126

ZDI-26-127

Affected Products

Unifi Protect Application

References · 16

• https://zerodayinitiative.com/advisories/ZDI-26-126 · Security Note
• https://osv.dev/vulnerability/CVE-2026-21633 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-26-127 · Security Note
• https://community.ui.com/releases/Security-Advisory-Bulletin-058-058/6922ff20-8cd7-4724-8d8c-676458a2d0f9 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21633 · Security Note
• https://bdu.fstec.ru/vul/2026-06152 · Security Note
• https://twitter.com/CVEnew/status/2008227022145720811 · Twitter Post
• https://twitter.com/TheZDIBugs/status/2026721279374418112 · Twitter Post
• https://t.me/CVEtracker/41404 · Telegram Post
• https://github.com/advisories/GHSA-pfqp-rqxp-h6v6 · Note
• https://runzero.com/blog/ubiquiti-unifi-protect · Reddit Post
• https://twitter.com/TheZDIBugs/status/2026721280481775778 · Twitter Post
• https://t.me/cveNotify/150349 · Telegram Post
• https://twitter.com/CveFindCom/status/2008231807200723164 · Twitter Post
• https://twitter.com/TheHackerWire/status/2008226110983860334 · Twitter Post