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    CVE-2026-90939

    novel-plus through 5.3.3 contains an information disclosure vulnerability in the /sys/user/list endpoint that lacks proper permission annotations. Authenticated attackers can retrieve password hashes and personal data including email addresses and phone numbers for users within their data scope, enabling offline hash cracking and account takeover.

    Published:Sep 14, 2026
    Last Modified:Sep 14, 2026
    EPS:Sep 14, 2026
    EPSS Score:
    CVSS Score:6.5

    Affected Products

    Vendor
    Xxyopen
    Product
    Novel-plus

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

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    CVE-2025-6535 (CVSS 2.1) — A vulnerability has been found in xxyopen/201206030 novel-plus up to 5.1.3 and classified as critical. This vu…
    CVE-2025-6534 (CVSS 1.3) — A vulnerability, which was classified as problematic, was found in xxyopen/201206030 novel-plus up to 5.1.3. T…
    CVE-2025-6533 (CVSS 2.9) — A vulnerability, which was classified as critical, has been found in xxyopen/201206030 novel-plus up to 5.1.3.…
    CVE-2025-45890 (CVSS 9.8) — Directory Traversal vulnerability in novel plus before v.5.1.0 allows a remote attacker to execute arbitrary c…
    CVE-2025-4019 (CVSS 6.9) — A vulnerability, which was classified as critical, was found in 20120630 Novel-Plus up to 0e156c04b4b7ce0563be…
    CVE-2025-4018 (CVSS 6.9) — A vulnerability, which was classified as critical, has been found in 20120630 Novel-Plus up to 0e156c04b4b7ce0…

    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