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    CVE-2026-41571

    Note Mark is an open-source note-taking application. In version 0.19.2, IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt("null") placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password: "null" to the internal login endpoint receives a valid session for that user. The bypass is unauthenticated and requires no user interaction. This issue has been patched in version 0.19.3.

    Published:May 4, 2026
    Last Modified:May 4, 2026
    EPS:May 4, 2026
    EPSS Score:
    CVSS Score:9.4

    Affected Products

    Vendor
    Enchant97
    Product
    Note-mark

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    Related CVEs

    CVE-2026-50553 (CVSS 8.6) — Note Mark is an open-source note-taking application. Prior to version 0.19.5, Note Mark validates book and not…
    CVE-2026-50554 (CVSS 5.3) — Note Mark is an open-source note-taking application. Prior to version 0.19.5, GET /api/books/{bookID}/notes is…
    CVE-2026-44522 (CVSS 8.6) — Note Mark is an open-source note-taking application. From 0.13.0 to before 0.19.4, the Note Mark application a…
    CVE-2026-44523 (CVSS 10) — Note Mark is an open-source note-taking application. Prior to 0.19.4, no minimum length or entropy is enforced…
    CVE-2026-41572 (CVSS 5.3) — Note Mark is an open-source note-taking application. Prior to version 0.19.3, after a note-mark owner soft-del…
    CVE-2026-40265 (CVSS 5.9) — Note Mark is an open-source note-taking application. In versions 0.19.1 and prior, the asset download endpoint…
    CVE-2026-40263 (CVSS 3.7) — Note Mark is an open-source note-taking application. In versions 0.19.1 and prior, the login endpoint performs…
    CVE-2026-40262 (CVSS 8.7) — Note Mark is an open-source note-taking application. In versions 0.19.1 and prior, the asset delivery handler …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High