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CVE-2026-56841· NVD / CVE Program· CNA hackerone

A malicious actor with access to the network and low privileges could exploit an authenticated SQL Injection vulnerability found in UniFi Pr

A malicious actor with access to the network and low privileges could exploit an authenticated SQL Injection vulnerability found in 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 6, 2026
EPSS
0.5% · 40th 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 · 0.5%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · hackerone
8.8
NVD has not scored this yet; the score shown is the CNA’s.

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

Affected systems

VendorProduct
uiunifi protect

Affected versions

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

  • ui unifi protectbefore 7.1.83

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 UniFi Protect Application

    • before 7.1.83affected · semver

Same product

ui: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-55115A malicious actor with access to the network and low privileges could exploit a Server-Side Request Forgery (SSRF) in UniFi Protect Applicat
    39Monitor
  • CVE-2026-54408A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect Application to by
    39Monitor
  • CVE-2021-22943A vulnerability found in UniFi Protect application V1.18.1 and earlier permits a malicious actor who has already gained access to a network
    38Monitor
  • CVE-2026-21633A malicious actor with access to the adjacent network could obtain unauthorized access to a UniFi Protect Camera by exploiting a discovery p
    35Monitor
  • CVE-2021-22957A Cross-Origin Resource Sharing (CORS) vulnerability found in UniFi Protect application Version 1.19.2 and earlier allows a malicious actor
    35Monitor
  • CVE-2026-54407A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect Application to by
    34Monitor

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 UniFi Protect Application7.1.83Vendor (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.

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.

—

Chain candidates

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

  • CVE-2026-544080 days apartA malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect Application to by
    39Monitor
  • CVE-2026-21633178 days apartA malicious actor with access to the adjacent network could obtain unauthorized access to a UniFi Protect Camera by exploiting a discovery p
    35Monitor
  • CVE-2026-544070 days apartA malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect Application to by
    34Monitor
  • CVE-2026-544090 days apartA malicious actor with access to the network and under certain conditions could exploit an Improper Initialization vulnerability found in Un
    32Monitor

Bug bounty scope

No known public program.

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

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

CVSS vector

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

nvd-secondary

Root cause

The query text is built by concatenating user input. The database cannot tell where the data ends and the command begins.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const owner = req.query.owner;const rows = await db.query(  "SELECT * FROM files WHERE owner = '" + owner + "'");

Fixed

ts
const owner = req.query.owner;const rows = await db.query(  "SELECT * FROM files WHERE owner = $1",  [owner]);

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

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References

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

All records