CVE-2026-77534
Last modified
CVE-2026-77534 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to escalate privileges within such UniFi OS devices or instances.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
Description
A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to escalate privileges within such UniFi OS devices or instances.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Ubiquiti Inc | UniFi OS Server | < 5.1.37 |
| Ubiquiti Inc | Cloud Keys | < 5.1.31 |
| Ubiquiti Inc | Network Video Recorders | < 5.1.31 |
| Ubiquiti Inc | Enterprise Network Video Recorders | < 5.1.31 |
| Ubiquiti Inc | Enterprise Network Attached Storage | < 5.1.31 |
| Ubiquiti Inc | Dream Machines | < 5.1.31 |
| Ubiquiti Inc | Enterprise Firewall Core | < 5.1.31 |
| Ubiquiti Inc | Dream Routers | < 5.1.31 |
| Ubiquiti Inc | Enterprise Fortress Gateway | < 5.1.31 |
| Ubiquiti Inc | Cloud Gateways | < 5.1.31 |
| Ubiquiti Inc | Dream Wall | < 5.1.31 |
| Ubiquiti Inc | Express 7 | < 5.1.31 |
| Ubiquiti Inc | Network Attached Storage | < 5.1.32 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-77534?
How severe is CVE-2026-77534?
How do I fix CVE-2026-77534?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- 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-2026-77506Znuny before LTS 6.5.22 allows AgentTicketEmailResend templa…4.8
- CVE-2026-77507Weblate is a web-based continuous localization platform used…5.3
- CVE-2026-77508Weblate is a web based localization tool. Prior to 2026.8, a…3.5
- CVE-2026-7753The Cost Calculator Builder plugin for WordPress is vulnerab…6.5
- CVE-2026-77532A malicious actor with access to an adjacent network could e…9.6
- CVE-2026-77533A malicious actor with access to the network and low privile…9.9
- CVE-2026-77535A malicious actor with access to the network and high privil…9.1
- CVE-2026-77536A malicious actor with access to the network and low privile…9.9
- CVE-2026-77537A malicious actor with access to the network could exploit a…10
- CVE-2026-77538A malicious actor with access to the network could exploit a…8.2
- CVE-2026-77539A malicious actor with access to the network and high privil…9.1
- CVE-2026-7754IBM Langflow OSS 1.0.0 through 1.10.0 Langflow 1.9.0 could a…6.5
Are you affected by CVE-2026-77534?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
