PT-2026-6798 · Unknown · Trilium Notes

Published 2026-02-06 · Updated 2026-02-09 · CVE-2025-68621

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Trilium Notes versions prior to 0.101.0

Description Trilium Notes is a cross-platform note taking application. A timing attack in the sync authentication endpoint allows unauthenticated remote attackers to recover HMAC authentication hashes through statistical timing analysis. Successful exploitation enables complete authentication bypass, granting full read/write access to a victim’s knowledge base without password knowledge. The vulnerable endpoint is the sync authentication endpoint. The authentication hashes are recovered byte-by-byte.

Recommendations Update to version 0.101.0 or later.

Exploit

Fix

Weakness Enumeration

CWE-208

Related Identifiers

CVE-2025-68621

GHSA-HXF6-58CX-QQ3X

Affected Products

Trilium Notes

References · 7

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68621.json · Exploit
• https://github.com/TriliumNext/Trilium/pull/8129 · Patch
• https://github.com/TriliumNext/Trilium/security/advisories/GHSA-hxf6-58cx-qq3x · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-68621 · Security Note
• https://osv.dev/vulnerability/CVE-2025-68621 · Vendor Advisory
• https://twitter.com/CVEnew/status/2019892206677745716 · Twitter Post
• https://t.me/cveNotify/151429 · Telegram Post