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CVE-2026-34908

⛔ critical
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Summary

A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS devices to make unauthorized changes to the system.

CVSS Score
10.0
Critical
EPSS Score
2.5
Exploit Probability
Published Date
2026-05-22
First Seen: 2026-05-23
📊 Relative Risk Intelligence

This CVE is Extremely High Risk - more severe than 100.0% of all 330,193 vulnerabilities in our database.

#1
Top 5% most severe
Severity Percentile
🎯 CISA SSVC Assessment Updated: May 22, 2026
🔍 Exploitation Status
Active
Exploits detected in the wild
⚙️ Automatable
YES
Can be exploited automatically
💥 Technical Impact
Total
Complete system compromise possible
SSVC data provided by CISA
Last Modified 2026-06-24
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE IDs (Weakness Types)

📦 Affected Products 3

🔗 References 3

🔗 Related CVEs 5

CVE ID Severity CVSS EPSS Summary Published
CVE-2026-34909 ⛔ critical 10.0 2.3 A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to a... 2026-05-22
CVE-2026-34910 ⛔ critical 10.0 78.6 A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS ... 2026-05-22
CVE-2026-34911 ⚠️ high 7.7 0.7 A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in Un... 2026-05-22
CVE-2026-33000 ⛔ critical 9.1 1.1 A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerabilit... 2026-05-22
CVE-2023-24104 ⛔ critical 9.8 0.0 Ubiquiti Networks UniFi Dream Machine Pro v7.2.95 allows attackers to bypass domain restrictions via crafted packets. 2023-02-23
These CVEs affect the same products