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Home / Vulnerability Intelligence / CVE-2026-41571

CVE-2026-41571 - Vulnerability Analysis

CriticalCVSS: 9.4

Last Updated: May 4, 2026

Mark Note - Authentication Bypass

Published: May 4, 2026Updated: May 4, 2026Remote Exploitable

Overview

Mark Note 0.19.2 contains an authentication bypass caused by fallback to a hard-coded bcrypt("null") placeholder in IsPasswordMatch, letting unauthenticated attackers gain valid sessions for OIDC users with empty passwords, exploit requires no user interaction.

Severity & Score

Severity: Critical
CVSS Score: 9.4

Impact

Unauthenticated attackers can gain valid sessions for OIDC users, leading to unauthorized access.

Mitigation

Update to version 0.19.3.

Details

CVE ID
CVE-2026-41571
Severity
Critical
CVSS Score
9.4
Type
broken_authentication
Status
new

CWE

  • CWE-287

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L