CVE-2026-39310 – Trilium

CVSS 8.6 IMPORTANT

“Access control gaps in note platforms can expose private knowledge and raise attacker privileges fast.”

TriliumNext released a patch for a high-severity vulnerability affecting Trilium. CVE-2026-39310 has a CVSS score of 8.6, which is High severity.

The vulnerability involves improper access control and missing authentication checks that could allow privilege escalation in affected Trilium environments. Public proof-of-concept code is available. The update strengthens authorization controls and reduces the risk of unauthorized access to protected notes and application functions.

Key Details

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
CWE Classification
CWE-284
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