CVE-2026-54406

HIGH
8.7
CVSS Score
Published: July 2, 2026 at 02:49 PM UTC
Updated: October 25, 2026 at 09:10 PM UTC
2 products affected across 2 vendorsUnifi Network ApplicationUniFi Network Application

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Severity
HIGH8.7
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

A malicious actor with access to the network and high privileges could exploit a Path Traversal vulnerability found in self-hosted instances of UniFi Network Application to escalate write permission on the host device.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 10.4.57
Affected range stops below 10.4.57, so it looks safe — our inference, not a vendor statement
v < 10.4.57
Affected range stops below 10.4.57, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHhackerone
Vector?

Quick Info

StatusANALYZED
CWE
CWE-22

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