CVE-2025-68621: 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…

PriorityP356high7.4CVSS 3.1

AVNACHPRNUINSUCHIHAN

EPSS

0.51%

39.5th percentile

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
triliumnext	trilium	< 0.101.0	0.101.0
triliumnotes	trilium	< 0.101.0	0.101.0

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