CVE-2026-21634
Last modified
CVE-2026-21634 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A malicious actor with access to the adjacent network could overflow the UniFi Protect Application (Version 6.1.79 and earlier) discovery protocol causing it to restart. Affected Products: UniFi Protect Application (Version 6.1.79 and earlier). Mitigation: Update your UniFi Protect Application to Version 6.2.72 or later.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
A malicious actor with access to the adjacent network could overflow the UniFi Protect Application (Version 6.1.79 and earlier) discovery protocol causing it to restart. Affected Products: UniFi Protect Application (Version 6.1.79 and earlier). Mitigation: Update your UniFi Protect Application to Version 6.2.72 or later.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ui | Unifi Protect | < 6.2.72 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-21634?
How severe is CVE-2026-21634?
How do I fix CVE-2026-21634?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-21629The ajax component was excluded from the default logged-in-u…7.3
- CVE-2026-2163A vulnerability was identified in D-Link DIR-600 up to 2.15W…7.2
- CVE-2026-21630Improperly built order clauses lead to a SQL injection vulne…8.8
- CVE-2026-21631Lack of output escaping leads to a XSS vector in the multili…5.4
- CVE-2026-21632Lack of output escaping for article titles leads to XSS vect…5.4
- CVE-2026-21633A malicious actor with access to the adjacent network could …8.8
- CVE-2026-21635An Improper Access Control could allow a malicious actor in …6.5
- CVE-2026-21636A flaw in Node.js's permission model allows Unix Domain Sock…10
- CVE-2026-21637A flaw in Node.js TLS error handling allows remote attackers…7.5
- CVE-2026-21638A malicious actor in Wi-Fi range of the affected product cou…8.8
- CVE-2026-21639A malicious actor in Wi-Fi range of the affected product cou…8.8
- CVE-2026-2164A security flaw has been discovered in detronetdip E-commerc…9.8
Are you affected by CVE-2026-21634?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
