CVE-2026-55114: A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulne

Q: How do I fix CVE-2026-55114?

unifi network application: upgrade to 10.4.57. Exact commands for each OS are on this page.

Q: Is CVE-2026-55114 being exploited?

CVE-2026-55114 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-55114 affect?

CVE-2026-55114 affects unifi network application. Severity is high (CVSS 8.8). A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi Network Application to escalate privileges within the UniFi Network Application.

This month

HIGH 8.8UPGRADE

CVE-2026-55114 is a high-severity flaw (CVSS 8.8) affecting unifi network application. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi Network Application to escalate privileges within the UniFi Network Application.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-07-02
Last modified	2026-10-25

Publisher (CNA): HackerOne · Vendor: ui

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-02 15:17 UTCPublished CVE record published
2026-10-25 21:10 UTCUpdated Record last modified

ui unifi network application UPGRADE

Affected: < 10.4.57

Fixed in: 10.4.57

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy unifi-network-application || rpm -q unifi-network-application || unifi-network-application --version

2. UPGRADE to 10.4.57 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade unifi-network-application

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade unifi-network-application

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-55114?

unifi network application: upgrade to 10.4.57. Exact commands for each OS are on this page.

Is CVE-2026-55114 being exploited?

CVE-2026-55114 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-55114 affect?

CVE-2026-55114 affects unifi network application. Severity is high (CVSS 8.8). A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi Network Application to escalate privileges within the UniFi Network Application.

How urgent is CVE-2026-55114?

Priority 41/100. High severity

Software pages

Ubiquiti vulnerabilities

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References

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