High severity · published Oct 21, 2026
CVE-2026-82819
Universal Naming Convention (UNC) Path Injection in Cerberus FTP Server
7.1
CVSS
0.5%
EPSS
No
On KEV
Description
A vulnerability in Cerberus FTP Server allows an authenticated remote attacker to perform UNC path injection via a manipulated parameter. By supplying a malicious SMB share path, an attacker can execute authentication coercion against the underlying server, resulting in the leakage of the Cerberus service account's Net-NTLMv2 hash. This issue has been resolved in Cerberus FTP Server: 2026.3.0.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cerberus FTP Server · Cerberus
before 2026.3.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82819
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82819
labs.reversec.com
https://labs.reversec.com/advisories/2026/09/universal-naming-convention-unc-path-injection-in-cerberus-ftp-server
www.cerberusftp.com
https://www.cerberusftp.com/releasenotes/
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