CVE-2026-22557

CRITICAL
2026-03-19 hackerone
10.0
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 19, 2026 - 14:45 vuln.today
CVE Published
Mar 19, 2026 - 14:24 nvd
CRITICAL 10.0

Tags

Path Traversal Ubiquiti

Description

A malicious actor with access to the network could exploit a Path Traversal vulnerability found in the UniFi Network Application to access files on the underlying system that could be manipulated to access an underlying account.

Analysis

A critical path traversal vulnerability exists in the UniFi Network Application that allows unauthenticated remote attackers to access arbitrary files on the underlying system and manipulate them to gain account access. This vulnerability affects Ubiquiti's UniFi Network Application with a maximum CVSS score of 10.0, indicating critical severity with network-based exploitation requiring no user interaction or privileges. …

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Remediation

Within 24 hours: Inventory all UniFi Network Application deployments and assess exposure; isolate critical instances from untrusted networks if possible. Within 7 days: Implement network-level compensating controls (WAF rules, segmentation, access restrictions); contact Ubiquiti for patch availability timeline and workarounds. …

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Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +50
POC: 0

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CVE-2026-22557 vulnerability details – vuln.today
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