CVE-2025-68621 is a critical timing attack vulnerability affecting Trilium Notes prior to version 0.101.0. This flaw allows unauthenticated remote attackers to recover HMAC authentication hashes byte-by-byte, leading to complete authentication bypass and full read/write access to a victim's knowledge base without needing a password. With a CVSS score of 7.4 (HIGH) and a FAUCET Risk Score of 90/100, this vulnerability has a network attack vector and high impact on confidentiality and integrity, despite a high attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed on the KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.101.0CPE matchmatch criteria | cpe:2.3:a:triliumnotes:trilium:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.