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CVE-2026-55112· NVD / CVE Program· CNA hackerone

A malicious actor with access to the network and low privileges and under certain conditions could exploit an Improper Access Control vulner

A malicious actor with access to the network and low privileges and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi OS with UniFi Protect Application to escalate privileges on the host device.

HighCVSS 8.8 · v3.1—No exploit Fix available
Published
Jul 2, 2026
Updated
Jul 9, 2026
EPSS
0.4% · 27th percentile
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Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
8.8
CNA · hackerone
7.5
1.3 point gap

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Affected systems

VendorProduct
uiunifi dream machine pro firmware
uiunifi dream machine pro
uiunifi dream machine special edition firmware
uiunifi dream machine special edition
uiunifi dream machine pro max firmware
uiunifi dream machine pro max
uiunifi dream machine beast firmware
uiunifi dream machine beast
uiunifi dream router firmware
uiunifi dream router
uiunifi dream wall firmware
uiunifi dream wall

and 26 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • ui enterprise network video recorder core firmwareup to 5.1.15 inclusive
  • ui enterprise network video recorder firmwareup to 5.1.15 inclusive
  • ui unifi cloud gateway fiber firmwareup to 5.1.15 inclusive
  • ui unifi cloud gateway industrial firmwareup to 5.1.15 inclusive
  • ui unifi cloud gateway max firmwareup to 5.1.15 inclusive
  • ui unifi cloudkey firmwareup to 5.1.15 inclusive
  • ui unifi dream machine beast firmwareup to 5.1.15 inclusive
  • ui unifi dream machine pro firmwareup to 5.1.15 inclusive
  • ui unifi dream machine pro max firmwareup to 5.1.15 inclusive
  • ui unifi dream machine special edition firmwareup to 5.1.15 inclusive
  • ui unifi dream router 5g max firmwareup to 5.1.15 inclusive
  • ui unifi dream router 7 firmwareup to 5.1.15 inclusive
  • ui unifi dream router firmwareup to 5.1.15 inclusive
  • ui unifi dream wall firmwareup to 5.1.15 inclusive
  • ui unifi network video recorder firmwareup to 5.1.15 inclusive
  • ui unifi network video recorder g2 firmwareup to 5.1.15 inclusive
  • ui unifi network video recorder g2 pro firmwareup to 5.1.15 inclusive
  • ui unifi network video recorder instant firmwareup to 5.1.15 inclusive
  • ui unifi network video recorder pro firmwareup to 5.1.15 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (hackerone). Independent of NVD's CPE analysis and usually ahead of it.

  • Ubiquiti Inc Cloud Gateways

    • before 5.1.19affected · semver

  • Ubiquiti Inc Cloud Keys

    • before 5.1.19affected · semver

  • Ubiquiti Inc Dream Machines

    • before 5.1.19affected · semver

  • Ubiquiti Inc Dream Routers

    • before 5.1.19affected · semver

  • Ubiquiti Inc Dream Wall

    • before 5.1.19affected · semver

  • Ubiquiti Inc Enterprise Video Recorders

    • before 5.1.19affected · semver

  • Ubiquiti Inc Network Video Recorders

    • before 5.1.19affected · semver

Same product

ui: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-24104Ubiquiti Networks UniFi Dream Machine Pro v7.2.95 allows attackers to bypass domain restrictions via crafted packets.
    39Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Ubiquiti Inc Cloud Gateways5.1.19Vendor (CNA)
Ubiquiti Inc Cloud Keys5.1.19Vendor (CNA)
Ubiquiti Inc Dream Machines5.1.19Vendor (CNA)
Ubiquiti Inc Dream Routers5.1.19Vendor (CNA)
Ubiquiti Inc Dream Wall5.1.19Vendor (CNA)
Ubiquiti Inc Enterprise Video Recorders5.1.19Vendor (CNA)
Ubiquiti Inc Network Video Recorders5.1.19Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-284 · Improper Access Control

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records