SECURELYN

CVE-2026-108336

When the default self-signed certificate is used, an attacker could gain administrative access to the application. The SSL certificate for the web interface is used to sign JWT access tokens that are used to validate that the user is logged in. When the default SSL certificate is used, an attacker could have the capability to sign JWT access tokens and bypass login. An attacker could gain administrative access to the application and perform actions like configuring the service or requesting log collection. Device credentials and customer data cannot be accessed with this vulnerability.

Scores

9.1
CVSS 9.1 out of 10, critical severity.
0.2%
EPSS 0.2% chance of exploitation in the next 30 days.

The facts

Published
14 October 2026
Last changed
16 October 2026
NVD status
Deferred
Severity
Critical, CVSS 9.1 out of 10 (version 4.0)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R…
Weakness
Known exploited
Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
EPSS
0.2% chance of exploitation activity in the next 30 days (percentile 12).

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References