CVE-2026-77550

CVE Enrichment

CVSS: 10.0 CRITICAL
EPSS: 0.80%
EPSS Percentile: 56.17%
CISA KEV: Not listed

Description

A malicious actor with access to the network could exploit an Improper Neutralization of CRLF Sequences vulnerability found in certain devices running UniFi OS to bypass authentication to such UniFi OS devices or instances.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: fe490ce8-0395-4072-90d8-2707e1bdf984
Published: 26-Aug-2026 18:16
Last Modified: 29-Aug-2026 01:49
EPSS Date: 2026-10-22
CWE: CWE-93

CVSS Vector


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

References

fe490ce8-0395-4072-90d8-2707e1bdf984

Last enrichment sync: 02-Nov-2026 08:49
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (2)

CVE (2)

Malware (1)

Threat Actors (1)

Vendors (1)

Products (6)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.