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Fencer Vulns
high 8.8

CVE-2026-22559 json

An Improper Input Validation vulnerability in UniFi Network Server may allow unauthorized access to an account if the account owner is soci…

published 2026-03-24 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-14988

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

An Improper Input Validation vulnerability in UniFi Network Server may allow unauthorized access to an account if the account owner is socially engineered into clicking a malicious link.

Affected Products: UniFi Network Server (Version 10.1.85 and earlier)

Mitigation: Update UniFi Network Server to Version 10.1.89 or later.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
7 mo ago

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Ubiquiti Inc UniFi Network Server

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.