CVE-2025-68621

7.4 HIGH
Published: February 06, 2026 Modified: February 24, 2026
View on NVD

Description

Trilium Notes is an open-source, cross-platform hierarchical note taking application with focus on building large personal knowledge bases. Prior to 0.101.0, a critical timing attack vulnerability in Trilium's sync authentication endpoint allows unauthenticated remote attackers to recover HMAC authentication hashes byte-by-byte through statistical timing analysis. This enables complete authentication bypass without password knowledge, granting full read/write access to victim's knowledge base. This vulnerability is fixed in 0.101.0.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/TriliumNext/Trilium/pull/8129
Source: security-advisories@github.com
Issue Tracking Patch
https://github.com/TriliumNext/Trilium/security/advisories/GHSA-hxf6-58cx-qq3x
Source: security-advisories@github.com
Exploit Mitigation Patch Vendor Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.4 / 10.0
EPSS (Exploit Probability)
0.0%
9th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

triliumnotes