High severity · published Jul 2, 2026
CVE-2026-55113
A malicious actor with access to the network could exploit a Server-Side Request Forgery (SSRF) vulnerability found in UniFi Talk Application to execute a Denial of Service (DoS)…
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
A malicious actor with access to the network could exploit a Server-Side Request Forgery (SSRF) vulnerability found in UniFi Talk Application to execute a Denial of Service (DoS) attack and bypass authentication in certain UniFi Talk API endpoints.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UT
UniFi Talk Application · Ubiquiti Inc
before 5.2.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-55113
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-55113
Vendor Advisory
https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc
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