CVE-2026-54401

FAUCET Score

A malicious actor with access to the network and low privileges could exploit a Server-Side Request Forgery (SSRF) to escalate privileges within such UniFi OS devices or instances.

First published: Jul 2, 2026Last modified: Jul 2, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 5.1.15CPE matchmatch criteria	cpe:2.3:a:ui:unifi_os_server::::::::
		<= 5.1.15CPE matchmatch criteria	cpe:2.3:o:ui:unifi_dream_machine_firmware::::::::
		<= 5.1.15CPE matchmatch criteria	cpe:2.3:o:ui:unifi_dream_machine_pro_firmware::::::::
		<= 5.1.15CPE matchmatch criteria	cpe:2.3:o:ui:unifi_dream_machine_special_edition_firmware::::::::
		<= 5.1.15CPE matchmatch criteria	cpe:2.3:o:ui:unifi_dream_machine_pro_max_firmware::::::::

CVSS Data

CVSS version used by this source: 3.1

7.7HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

3.1

Impact Score

4.0

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.22%

Probability of exploitation in next 30 days

EPSS Percentile

12.2%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0022 is in the 2nd percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

community.ui.com / releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc

Vendor Advisory