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    CVE-2026-123655

    A flaw was found in Moodle. Insufficient access control checks on H5P content files allow unauthenticated remote attackers to view restricted materials, including content stored in the system context and files belonging to hidden or unavailable course modules. This issue results in unauthorized information disclosure of protected content.

    Published:Nov 6, 2026
    Last Modified:Nov 6, 2026
    EPS:Nov 6, 2026
    EPSS Score:
    CVSS Score:7.5

    Affected Products

    Vendor
    Moodle
    Product
    Moodle

    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-2026-119555 (CVSS 5.3) — Moodle 4.2.0 through 4.5.15, 5.0.0 through 5.0.11, 5.1.0 through 5.1.8, 5.2.0 through 5.2.4, and 5.3.0 contain…
    CVE-2026-119554 (CVSS 6) — Moodle 5.3.0, 5.2.0 through 5.2.4, 5.1.0 through 5.1.8, 5.0.0 through 5.0.11, and through 4.5.15 contain an sq…
    CVE-2026-119553 (CVSS 7.1) — Moodle 5.3.0, 5.2.0 through 5.2.4, 5.1.0 through 5.1.8, 5.0.0 through 5.0.11, and through 4.5.15 contains a pa…
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    CVE-2026-102584 (CVSS 4.3) — A flaw was found in Moodle. Due to a missing capability check, a low-privileged authenticated user can trigger…
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    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
    CVE-2026-123655 — Moodle (High 7.5) | CVE-DB