CVE-2026-56841: A malicious actor with access to the network and low privileges could exploit an authenticated SQL Injection v

Q: How do I fix CVE-2026-56841?

unifi protect: upgrade to 7.1.83. Exact commands for each OS are on this page.

Q: Is CVE-2026-56841 being exploited?

CVE-2026-56841 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-2026-56841 affect?

CVE-2026-56841 affects unifi protect. Severity is high (CVSS 8.8). 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.

This month

HIGH 8.8UPGRADE

CVE-2026-56841 is a high-severity flaw (CVSS 8.8) affecting unifi protect. 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 authenticated SQL Injection vulnerability found in UniFi Protect Application to escalate privileges on the host device.

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 58%)
CISA exploited list	No
Weakness	CWE-89
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 protect UPGRADE

Affected: < 7.1.83

Fixed in: 7.1.83

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy unifi-protect || rpm -q unifi-protect || unifi-protect --version

2. UPGRADE to 7.1.83 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade unifi-protect

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade unifi-protect

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-2026-56841?

unifi protect: upgrade to 7.1.83. Exact commands for each OS are on this page.

Is CVE-2026-56841 being exploited?

CVE-2026-56841 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-2026-56841 affect?

CVE-2026-56841 affects unifi protect. Severity is high (CVSS 8.8). 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.

How urgent is CVE-2026-56841?

Priority 41/100. High severity

Software pages

Ubiquiti vulnerabilities

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References

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