What is CVE-2025-53544?

CVE-2025-53544 is a high-severity vulnerability in Triliumnext Trilium, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2025-08-05.

How severe is CVE-2025-53544?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Triliumnext Trilium

CVE-2025-53544

Trilium Notes is an open-source, cross-platform hierarchical note taking application with focus on building large personal knowledge bases. In versions below 0.97.0, a brute-force protection bypass in the initial sync seed retrieval endpoi…

EPSS: 0.004 (27.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Triliumnext Trilium — versions < 0.97.0

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-53544?: CVE-2025-53544 is a high-severity vulnerability in Triliumnext Trilium, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2025-08-05.
How severe is CVE-2025-53544?: High severity. CVSS v3 base score is 7.5 out of 10.